3/4 I do believe. Hopefully I helped. ;)
describe the risks linked to dehydration
What are the three forms of nitrogen found in an aquarium and their formulas?
Answer:- The three forms of nitrogen in an aquarium are
1. Nitrate NO3-
2Nitrite NO2-
3. Ammonia NH3
Explanation:
The waste products produced by fishes is broken down into ammonia which is highly toxic for the fishes present in the aquarium.The nitrogen cycle takes place in the aquarium to convert this toxic ammonia into lesser toxic forms.This nitrogen cycle proceeds to convert ammonia into nitrite and then nitrite into nitrate. This means the cycle is ammonia——>nitrite——> nitrate.This conversion takes place with the help of several bacteria which establish a colony in the filter bed of the aquarium in the presence of ammonia .Then these bacteria help to finally convert ammonia to nitirite and then to nitrate.The bacteria that convert ammonia to nitrite are oxygen loving bacteria called as Nitrosomonas. The nitrite so formed is less toxic as compared to ammonia.The conversion of nitrite to nitrate takes place by the bacterial species called as Nitrobacter . The nitrate thus formed is harmless for the aquarium fishes at low levels.Thus, in this nitrogen cycle we can see that there are three different forms in which nitrogen is present- ammonia, nitrate and nitrite.
Phosphorus plays an important role within the structures of the body. Which of the following structures is phosphorus found in? a. bones b. cell membranes c. DNA d. all of the above Please select the best answer from the choices provided
Hi there, Phosphorus works with calcium to help build bones but not only it helps the bones it also helps with the cells and DNA so your answer to this will be D. All of the above. Since it plays an important role in the body it'll make sense for the phosphorus to work with calcium to help with the bones, cells and DNA.
Hope this helped :)
Have a great day
Phosphorus is an element that plays a major role in various body activities. It is found in the bones, cell membrane, and DNA. Thus, option d is correct.
What is the role of phosphorus?Phosphorus is an element that has a major role in many activities and functions in the body. They are present in the bones along with the calcium to build and grow. It is also present in the cell membrane in the form of phospholipids.
They are present in the DNA as the structural element that makes the backbone of the nucleic acid. They are essential and have many structural and functional roles in the body.
Therefore, phosphorus is found in the cell membrane, bones, and DNA.
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Which one is correct?
It looks like it would be the 1st answer choice...
Hope this helps!! (:
Jagged grains are the correct answer, hope this helps<3
often know as the powerhouses of cell this organelle generates energy for the cell through cellular respiration this means it takes in nutrients from the cell breaks it down and turns it into energy
The caretaker of a farm feed hay to the cows to produce milk from them. How much energy will the cows get from the hair?
Answer:
C. 10%.Explanation:
According to transfer of energy law, energy is lost when is transferred from a lower trophic to a higher trophic, like this case. All that waste of energy is due to metabolic processes.
So, according to this, I tiny proportion of energy is transferred. From a lower to a higher trophic level only 10% of the energy is passed. For example, if some producer organism give 10.000 kcal the next trophic level (primary consumers) only get 1.000 kcal, secondary consumers 100 kcal, and tertiary consumer only get 10 kcal.
That's why is 10%.
which type of chemical bond holds the atoms together within a molecule of water
Final answer:
Within a water molecule, atoms are held together by covalent bonds, where the oxygen and hydrogen atoms share electrons. This bond is crucial for the molecule's structure, distinguishing it from hydrogen bonds, which form between different water molecules.
Explanation:
The type of chemical bond that holds the atoms together within a molecule of water is the covalent bond. Covalent bonds are a form of chemical bond where atoms share electrons to achieve a more stable electron configuration. In a water molecule, this bond occurs between the oxygen atom and each hydrogen atom. The shared electrons spend more time closer to the oxygen atom due to its higher electronegativity, creating a partial negative charge near the oxygen and a partial positive charge near the hydrogen atoms. This uneven distribution of charge within the molecule contributes to the formation of hydrogen bonds between adjacent water molecules, but it is important to distinguish that the covalent bond is what holds the atoms together within a single water molecule, while hydrogen bonds are intermolecular forces that occur between water molecules.
The specific type of chemical bond that holds the atoms together within a molecule of water is a covalent bond.
In a water molecule (H₂O), there are two covalent bonds formed between the oxygen (O) atom and the two hydrogen (H) atoms. Covalent bonds involve the sharing of electrons between atoms to achieve a more stable electron configuration. In the case of water, oxygen has six electrons in its outer shell and needs two more to complete its octet. Each hydrogen contributes one electron, forming a shared pair of electrons with the oxygen atom. The sharing of electrons in covalent bonds allows each atom to attain a more stable state by filling its outer electron shell. In water, this results in a bent or V-shaped molecular geometry. It's important to note that the electrons are not transferred from one atom to another, as in ionic bonds, but are shared between the atoms. The strength of covalent bonds is determined by the sharing of electrons, with single, double, or triple bonds representing different levels of electron sharing.
In summary, within a molecule of water, the atoms (oxygen and hydrogen) are held together by covalent bonds, where electrons are shared to achieve a more stable configuration for each atom.
QUESTION
What specific type of chemical bond is responsible for holding the atoms together within a molecule of water?
which organisms convert nitrogen into a form that ia usable by humans
a. plants
b.bacteria
c.omnivores
d.algae
B. Bacteria would be your answer
Bacteria are the organisms that convert nitrogen into a form usable by humans. They do this through processes called nitrification and nitrogen fixation. These bacteria often live in symbiosis with plants, aiding their survival while also benefiting the soil.
Explanation:The organisms that convert nitrogen into a form that is usable by humans are bacteria. Processes like nitrification and nitrogen fixation are key in this conversion. Nitrification involves bacteria converting nitrates (NO₃⁻) to nitrites (NO₂). Nitrogen-fixing bacteria convert nitrogen gas (N₂) into organic compounds which plants and animals can use.
These microorganisms often live in a symbiotic relationship with plants. A good example of this are bacteria of the genus Rhizobium, which live in the root nodules of legume plants such as clover, alfalfa, and peas. The nitrogen converted by these bacteria can be used by these plants to form essential compounds, supporting their survival while also enriching the soil.
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All living organisms contain carbon atoms. Which of the following is an important charteristic of carbon?
Hi
I found out the options through browsing over internet and i think i can answer this question.
The best option is D: Carbon atoms can bond with many other kinds of atoms to form very stable molecules.
Explanation:
As we know that carbon has a valency of four and it means it can form four bonds with other atoms, be it carbon or any other atom. This increases the ability of carbon to make bonds with diverse array of atom that exponentially increases the stability of resultant variety of compound or molecule.
This is one of the most important characteristic of carbon atoms due to which we see very stable carbon containing compounds in living as well as non living systems, such as carbohydrates, hydrocarbons and other carbon containing polymers.
Hope it help!
Which process that occurs in living organisms is SIMILAR to the burning of fossil fuels? A) digestion B) photosynthesis C) respiration D) transpiration
The answer is respiration.
Under what conditions do enzymes work best?
Enzymes are very sensitive to temperature and pH.
An enzyme will not function well or at all if it is at the wrong temperature or pH level. However, there is no set range for all enzymes; every enzyme is different and has their own range. For example, the pH levels under which stomach enzymes work best would be vastly different from the pH levels under which intestinal enzymes work.
Hope this helps!!
Mosses are _____.
what is the
awser???????????
Bryophytes and non-vascular.
hope it helps!
Mosses are a phylum of non-vascular plants. They produce spores for reproduction instead of seeds and don't grow flowers, wood or true roots.
hope this helps
What is the difference between a cladogram and a phylogenetic tree
Cladograms are concerned with the way organisms are related to common ancestors through shared characteristics.
What is Phylogenetic Tress?Phylogenetic trees compare organisms over evolutionary time and the amount of change that has occurred over time to figure out the relationships.
The species or groups of interest are located at the ends of lines known as the tree's branches in a phylogenetic tree.
As an illustration, the phylogenetic tree below depicts relationships between five species that are located at the endpoints of the branches, A, B, C, D, and E.
Therefore, Cladograms are concerned with the way organisms are related to common ancestors through shared characteristics.
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Which is NOT true about the discovery of new scientific evidence and theories?
A) New theories are always the truth.
B) Theories can never be said to be the absolute truth.
C) Old theories might be discarded in favor of new theories.
D) Theories are refined as new scientific evidence discovered.
Answer:
Scientific Evidence and theories:"In the field of sciences each aspect relating to matter and energy or any other entity is measured, tested, and then experimentation is done on it as according to the standards.The measured entity is compared with the standards provided."
In each era there are different level of advancements been made by the researchers, as these new evidences and theories are presented in order to enhance our ability to understand this universe from a whole different perspective. This leads us to creating new theories and if they survive luckily,than they might even become a Law.
Explanation:
So, Option- (A) is correct answer to chose from, as new Theories presented are then tested, and if there are any loopholes found in them, then they are discarded. As for any new theory or research carried out it can never be always true.A scientist wants to speed up the chemical reaction. What are three things he or she could do to increase the reaction rate?
1. use a catalyst
2. increase the temperature
3. increase surface area of reactants
What process is illustrated by the area labeled G and figure 9–1?
A. Seafloor spreading
B. continental volcanism
C. Rifting
D. subduction
Strips of alternating magnetic polarities is found in rocks in the ocean basins
A. Conflict with the theory of plate tectonics ____
B. Provide evidence that Earths magnetic field bad never reversed polarity
C. Indicate changes in Earths gravitation field
D. Provide evidence for sea floor spreading
I’ll vote brainliest!!
1) D. subduction
2) D. provide evidence for seafloor spreading
I took it too lol
Seafloor spreading is the process of splitting apart of tectonic plate
The process illustrated by the area labeled G in figure 9–1 is subduction
D. Subduction
Strips of alternating magnetic polarities is found in rocks in the ocean basins;
D. Provide evidence for sea floor spreading
Reason:
Subduction;Subduction is a process in geology that occur where two plates converge
(usually ocean ocean plate convergence or oceanic continental
convergence) such that lithosphere of one plate is subducted or dives
beneath a less dense plate into the mantle, where it is recycled
Seafloor spreading;The observations of the strips located on the ocean floor are as follows;
The stripes of opposite polarities alternatesThe stripes on either sides of the mid-ocean ridges are a reflection of each otherThere is an abrupt end of the stripes at continental edgesThe above observation are an evidence of seafloor spreading
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What do mitochondrial and thylakoid membrane have in common
Answer:
Both of them use ATP synthase proteins in ATP production.
Explanation:
Mitochodrial and Thylakoid membranes both use adenosine triphosphate or ATP synthase proteins in ATP production.
Mitochondria are found in the living cells while Thylakoid membranes are found within chloroplasts that is in the plants. Both of these are responsible for the synthesis of energy that is in the form of adenosine triphosphate, which is widely known as ATP.
The way that a mineral breaks can help to identify that mineral. Some minerals have a tendency to split evenly along specific or straight planes, this is called _______________; other minerals break in more of an irregular pattern, this is called _____________.
a.luster, fracture
b.hardness, luster
c.cleavage, fracture
d.cleavage, luster
your answer is C. cleavage, fracture
cleavage the way minerals breaks apart, split easily along a flat surface,
fracture the way minerals break apart, breaks in an irregular way
The way that a mineral breaks can help to identify that mineral. Some minerals have a tendency to split evenly along specific or straight planes, this is called cleavage; other minerals break in more of an irregular pattern is called as fracture.
Answer: Option C
Explanation:
Cleavage refers to the manner in which a few minerals break along specific lines of shortcoming in their structure. Mica is a best example as it breaks along firmly divided level planes that yield slim sheets.
Calcite is another genuine model, breaking along three distinct planes that yield blocky pieces that resemble a rectangular box that has been twisted. On the other hand, fracture is the propensity of a mineral to break along bended surfaces that don't have planes and break in a irregular pattern.
how do you rearrange the formula of density
D = M / V
density = mass / volume
/ = divide
Why are the arrows always drawn from the prey toward the predator and never toward prey
Arrows in food chains are drawn from prey to predator to illustrate the transfer of energy in an ecosystem. They represent the energy flow from the producer to consumers, including predators. Furthermore, some species employ a strategy known as Batesian mimicry to deter predation.
Explanation:In food chains or food webs, arrows are drawn from prey to predator to represent the transfer of energy. Organisms acquire energy by consuming other organisms. For instance, a rabbit (the prey) munches on grass, and then it is eaten by a hawk (the predator).
This follows the rule of energy flow in ecosystems, where energy travels from the producer (like plants) to various levels of consumers (animals, including predators).
An interesting part of this energy flow is seen in species that imitate harmful organisms to deter predators, a phenomenon known as Batesian mimicry. For example, some insect species can mimic the coloration of bees or wasps to discourage predation, even though they may not be harmful or toxic themselves.
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Why is there less oxygen at the surface level than in the depths of the ocean?
A. Oxygen is very light and rises to the top
B. A lot of sea life consumes oxygen at the surface level
C. Nitrogen breaks down the oxygen at high temperatures
D. Oxygen is absorbed at the surface level but cannot remain there
Explanation:
Nitrogen breaks down the oxygen at high temperatures
How do hurricanes produce such large waves
Hurricanes have the ability to produce large waves due to the combined effects of strong winds and low atmospheric pressure.
The first key factor is the strong winds associated with hurricanes. These rotating winds can reach extremely high speeds, often exceeding 100 miles per hour. As these powerful winds blow across the surface of the ocean, they create frictional forces with the water.
The second factor is the fetch, which refers to the distance over which the wind blows uninterrupted across the ocean surface. Hurricanes, with their large size and slow movement, allow the winds to act over a considerable fetch, sometimes spanning hundreds of miles.
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The sides of the DNA molecule the rails of the ladder are composed of
The structure of DNA is double helix which looks like twisted ladder. The sides of the DNA molecule, the rails of the ladder are composed of alternate phosphate and sugar molecules.
Sweden has a higher percentage of ___ than the United
Final answer:
Sweden has a higher percentage of secular individuals compared to the United States, which can impact the political and economic climate.
Explanation:
Sweden has a higher percentage of secular individuals compared to the United States. According to a 2009 Gallup survey, only 17 percent of adults in Sweden considered religion to be an important part of their daily lives, while the number was higher in the United States at 65 percent. This difference in religious beliefs can have an impact on the political and economic climate of the two countries.
a trait that has two alleles, represented by p and q if p=.035 what is q
a..59
b.0.35
c.0.65
d.0.42
C is the answer to this question.
To find the value of q when you're given that p = 0.35, you can use the equation:
q = 1 - p
So in this case:
q = 1 - 0.35 = 0.65
So, the correct answer is:
C. 0.65
which is most like a glacier changing Earth's land
A glacier's weight, combined with its gradual movement, can drastically reshape the landscape over hundreds or even thousands of years. The ice erodes the land surface and carries the broken rocks and soil debris far from their original places, resulting in some interesting glacial land forms.
Just like other living thing, single-celled organisms must what?
live and havve a good life before it dies.
Well I know that they need good living conditions and they also need food like other living organisms.
explain whether or not seeds are the reproductive structures of plants
Seeds are not the reproductive structures of plants. Seeds are the product of reproduction.
Seeds are not the reproductive structures of plants. Seeds are the product of reproduction.
what is reproduction in plants ?In flowering plants Reproduction can occur both asexually and sexually, these flowering plants or angiosperms primarily do sexual mode of reproduction.
Flower is the major organ where Reproduction occur in which both male and the female gametes are present and various other parts of flower involve in the process of reproduction.
There are four important steps in the reproduction such as Pollination, Gametogenesis, Fertilization
The flower is a specialized structure where reproductive parts are located which contain the male and female reproductive organs which facilitate fertilization.
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what is the biology?
the study of living organisms is called biology .
why is an array, or group, of hydrophones more useful than a single hydrophones?
An array of hydrophones is more useful than a single hydrophone for localization of sound, noise reduction, and beamforming.
Explanation:An array, or group, of hydrophones is more useful than a single hydrophone for several reasons:
Localization of sound: By placing hydrophones at different positions, an array can provide information about the direction and location of a sound source.Noise reduction: With multiple hydrophones, it becomes possible to use signal processing techniques to reduce background noise and enhance the clarity of the desired sound signal.Beamforming: By combining the signals from the hydrophones in specific ways, an array can create directional beams that amplify signals coming from a particular direction.Overall, an array of hydrophones allows for more accurate and detailed sound recording and analysis compared to a single hydrophone.
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Hydrophone arrays are preferable to single hydrophones due to their ability to create beam patterns, focus energy on specific areas, and listen in more than one direction, thus enhancing acoustic detection capabilities and improving scientific research quality.
An array or group of hydrophones is more useful than a single hydrophone because arrays allow for distinguishing sound signals with greater specificity and for the formation of beam patterns that can enhance directional sensitivity. For example, the US Navy's Sound Surveillance System (SOSUS) implemented hydrophone arrays to detect submarine noises but also found applications in tracking whale sounds and identifying sub-sea volcanic eruptions. The ability to focus energy on desired spots or to listen in multiple directions simultaneously is a significant advantage of using hydrophone arrays.
Radar systems use similar principles with phased arrays to create high-resolution imaging through synthetic aperture radar (SAR), which, by moving a small receiving antenna, can synthesize a larger phased array antenna's angular resolution. Additionally, for scientific research, such as the understanding of oyster reef life, the use of hydrophone arrays can provide focused listening that cultivates empathy and deepens scientific knowledge. Acoustic array microphones have directional patterns that can sharply direct and pick up faraway sounds, showing the practicality of using arrays for acoustic detection and research.