Volumetric cylinders and volumetric flasks are used to measure volume of liquids contained in them. They are calibrated for volume included in them - this is indicated by the marking "IN". The liquid has accurate volume when it reaches the corresponding marking on the scale. Volume is usually indicated in mL.Apr 27, 2017
graduated cylinder, pipette, and beaker all hold liquidThe correct tools to measure the volume of liquid are graduated cylinders, beakers, pipettes, burettes, and volumetric flasks.
To measure the volume of a liquid accurately, one would typically use a graduated cylinder or a volumetric flask for larger volumes, and a pipette or a burette for smaller, more precise volumes. Beakers can also be used for rough measurements or when precision is not critical. Each of these tools is designed with graduated markings to allow for the reading of the volume of the liquid contained within them. It is important to read the meniscus correctly when using these tools to ensure accurate measurements. The meniscus is the curve in the upper surface of a liquid close to the surface of the container, which can affect the reading of the volume if not accounted for properly.
An object is propelled along a straight-line path by an external force. If the net force is doubled, its acceleration would _____________.
Get faster but it will still go strait
Im so sad having to finish The Future Diary anime it was so good and now im crying and im just keep listening to the saddest song in the ost "Here with you" just seeing Yuno and Yuki there hits me hard. :(
Earth itself can make magnets out of ferromagnetic materials. True or False?
Answer:
True
Explanation:
The earth has strong magnetic field of its own and because of this reason the ferromagnetic substances can be out of the earth. The ferromagnetic substances can be defined as the substances that have tendency to form permanent magnets or are attracted towards magnet.
The substances like iron are strongly attracted towards the magnetic and some substances can be converted into magnets under the influence of the strong magnetic field of earth.
Which of these choices is product of mitosis?
a.egg
b.sperm
c.sex cell
d.skin call
it should be the egg and the sperm.
The skin cells go through mitosis to replace dead ones. The correct answer is d. skin cells.
What is cell division?Mitosis and meiosis are the two distinct processes of cell division. When people talk about "cell division," they typically mean mitosis, which is the process of creating new cells for the body. The cell division process known as meiosis is what produces egg and sperm cells. A vital process for life is mitosis.
Cell division always involves a complex set of stages that are carefully choreographed and highly controlled. While mitosis and meiosis refer to two distinct processes of nuclear division, cytokinesis describes the division of a cell's cytoplasm.
The original nucleus divides into two identical nuclei during mitosis. Contrarily, meiosis produces four nuclei, each of which has half as many chromosomes as the parent cell. Only the gametes, or cells that develop into sex, the egg, and the sperm, go through meiosis in animals.
Therefore the correct answer is d). skin cells.
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The _______ _______ is a cavity in the crust that feeds material to a volcano.
Answer: - Magma chamber.
Explanation:-
1. A magma chamber is a cavity which acts a reservoir of magma and it feeds a volcano.
2.A magma is basically a mixture of molten and semi molten rocks.
3. The magma is less dense than the layers of rocks and as a result of this it tends to move upwards towards the surface of the earth but when it encounters a layer of rocks in this upward journey that hinders its movement then it gets collected in a large pool which is known as the magma chamber.
4. These magma chambers are under a great pressure which results in the breaking of the rock which surrounds the magma chamber with time. Once, these rocks break the magma can then travel upwards and this results in volcanic eruption.
Thus, these magma chambers are the cavities containing the magma that feeds the volcano.
What is the best definition of directional selection
Directional selection is a mode of natural selection an extreme phenotype is favored over other phenotypes this causes the allele to shift over time in the direction of the favored phenotype
Directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of the favored phenotype.
How do we explain?Phenotype: The observable physical characteristics of an organism.
Genotype: The genetic makeup of an organism.
Allele: A variant of a gene.
Allele frequency: The proportion of a population that has a particular allele.
In directional selection, there is a selective pressure for one extreme phenotype over the other phenotypes. This could be due to a change in the environment, such as a change in climate, or it could be due to a new mutation that gives the organism an advantage.
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Which 2 examples may be converted into fossil fuels after being buried under pressure for a long period of time?
-used cans
-plants
-animal waste
- electronic waste
-chemicals
Answer: -plants
-animal waste
Explanation:
Fossil fuels are the fuels which are generated after a long time taking geological process over the buried organic matter obtain from dead animals, animal dung and plants. The organic matter remain under the heap of earth crust under intense heat and pressure. The heat and pressure generate fuels which are valuable for the entire society as when they are burned they produce huge amount of thermal energy. These includes the crude oil like petroleum, natural gas and coal.
Answer:plants and animals
Explanation:
They turn into fossil fuels
A frog has a genetic mutation in its skin cells that causes part of its skin to turn orange. The frog will not pass this genetic mutation onto its offspring because A. mutated skin cells cannot divide and produce daughter skin cells. B. the offspring will inherit skin cells from the other parent. C. parents do not contribute genetic material to their offspring. D. skin cells do not contribute genetic material to sex cells.
The frog will not pass this genetic mutation onto its offspring because, D. skin cells do not contribute genetic material to sex cells.
What can you infer about the growth of the seed type pictured in the graphs below?
The right option is (D) Light has no effect on growth
Explanation:The graph shows the relation between growth and time period of the seed in the presence of sunlight. As we can see that there is no significant change on the growth in the presence of sunlight. So we can say that light has no effect on the growth of this seed
HELP! Help me plz!
Look at pic its just one question and I'm too dumb to answer!
what was the strand form #5
Ammonia (NH3)can be products by bacteria in the soil by two processes:
What. And. What
Answer: Ammonification and nitrogen fixation.
Explanation:
Ammonification is the process where by organic nitrogen is converted ammonia in the soil by bacteria. These occur when bacteria breakdown the remains of dead plants and animals to release organic nitrogen and it is converted to ammonia.
Nitrogen fixation it is the process where atmospheric nitrogen is converted to ammonia or nitrate in the soil, in a way it is absorbed by plants. It is fixed by bacteria in root nodules of leguminous plants or by lightening.
A student observed the butterfly in the photograph below. What is the best way for the student to identify the kind of butterfly it is?
Use dichotomous key of butterflies found in the region
* Apex
Final answer:
To identify a type of butterfly, observe physical characteristics like wing patterns and coloration, compare them to recognizable features in field guides or databases, and note their behavior and regional occurrence.
Explanation:
The best way for a student to identify a type of butterfly in a photograph is to closely observe the physical characteristics of the butterfly, such as wing patterns, coloration, and shape. While observing, they can compare these features to a field guide or online database specifically for butterflies. Since certain butterfly species may look alike due to mimicry, it's critical to note subtle differences. For instance, in the case of the monarch and viceroy butterflies, one can distinguish them by carefully examining the patterns on their wings. The monarch butterfly traditionally has larger wings and a more bold and solid color pattern compared to the viceroy, which usually displays an extra black line across its hind wings.
For a comprehensive identification, the researcher may also consider the behavior of the butterfly, such as its flight patterns and the types of flowers it visits. In addition, they can look into region-specific databases because certain species are endemic to specific areas. For butterflies that are more difficult to identify or are very similar to others, consulting with a lepidopterist or entomologist could provide expert insight.
Why are fossils important?
They teach us what happened in Earth before we arrived. For example, if we had never found any dinosaur fossils, we would have no idea what happened. Fossils show us ancient life and what it was like back then.
Please give me brainliest ^.^
Fossils help scientists learn about and discover ancient lifeforms that have died and fosilised. They also may help us date other fossils and rocks that are hidden deep in the earth. finding similar fossils of animals on different continents helped support the continetal drift theory, which became the theory of plate tectonics!
Which structures are found in all viruses?
1. a plasma membrane and protein coat
2. a protein coat and DNA
3. a promoter and genetic material
4. a capsid and genetic material
4. A capsid and genetic material
Answer:
a capsid and genetic material
Explanation:
gradpoint
The autonomic nervous system controls all __________ responses of the body.
A. unconscious
B. voluntary
C. sequenced
D. repeated
A. unconscious
It's A because it controls the involuntary actions like our heart beat or breathing. The actions we aren't consistently remembering to do.
Which organelle converts energy to a usable form
The Eurokaya cells are the organelles to convert energy to a usable form
The mitochondrion converts the chemical energy stored in food into compounds that are more convenient for the cell to use. In both plant cells and animal cells.
The fish pond are dying because of algal bloom. Algal bloom is caused by the presence of excess phosphorus or sulfur in the pond. An investigation into the matter indicates hat chemical fertilizers made in a factory nearby are responsible for the presence of these chemicals in the water. Under what conditions might this data be considered biased?
The law of reflection stated that if the angle of incidence is 75 degrees, the angle of reflection is __ degrees
The correct answer for fill in the blanks is 75 degree.
According to law of reflection the angle of reflection is always equal to the angle of incidence. The angle by which the the light is incident on a smooth or rough surface is called the angle of incidence. The angle by which the ray is reflected back is called the angle of reflection.
In terms of probability, what does each box in a Punnett square represent?
1)all possible outcomes
2)one actual outcome
3)all actual outcomes
4)one possible outcome
In a simple synapse, neurotransmitter chemicals are received by___
Mostly by Acetylcholine receptors if it is a simple neuron.
If Acetylcholine isn´t your Neurotransmitter just put the name of it before the word "receptor"
Neurotransmitter chemicals released by the presynaptic cell in a simple synapse are received by the receptors on the postsynaptic cell. Once bound, they trigger an electrical impulse in the postsynaptic cell. After transmission, the neurotransmitter is either degraded or reabsorbed for future use.
Explanation:In a simple synapse, neurotransmitter chemicals are received by the receptors on the surface of the postsynaptic cell. This is a biological process typically observed in a chemical synapse, where the neurotransmitter released from the presynaptic cell diffuses across a very minor distance called the synaptic cleft. After traversing this gap, the neurotransmitter attaches to a receptor protein, causing a change in the electrochemical potential in the postsynaptic membrane and thereby launching the next electrical impulse.
In this process, the neurotransmitter fits into its receptor akin to a lock-and-key mechanism. This binding is a very specific biochemical event, and each neurotransmitter only binds to its relevant receptor. Following the signal transmission, the neurotransmitter is rapidly degraded or reabsorbed by the presynaptic cell. This allows for the quick recovery of the recipient nerve cell and readiness to respond to the subsequent synaptic signal.
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Photographs are rarely taken at the scene where bones are found. True False
The answer is False
True or false,
photographs are rarely taken at the scene where bones are found
the answer is False
A large hurricane moves through a small island in the Caribbean. What are the consequences to this island’s plant and animal diversity?
The island will lose all abiotic factors needed by plant and animal populations.
The island’s ecosystem will recover due to primary succession.
The island will lose all of the plant and animal populations of the island.
The island will suffer a loss of native plant and animal species.
Answer:
The most appropriate option would be: The island will suffer a loss of native plant and animal species
Explanation:
A hurricane is a calamity that manifests itself in the form of great rain fall, strong winds and thunderstorm.
Hurricanes just like all other natural calamities cause a lot of destruction to the organisms living in an area, their habitats and become a source of introduction of certain invasive species.
If a Hurricance hits a small island in the Caribbean, there are a lot of chances that Island will lose a large amount of animals and plant species. The fact is that when a hurricane hits and goes, many not all specie re-emerge eco-system establishes due to process of succession. However, there are some native plant and animal specie that are native to a specific place like that Island, so there are more chances that after that large hurricane island will suffer a loss of native plant and animal species.
The climate of the Island will not be in a position to sustain the survival of all living organisms, therefore, some may starve and perish for always although some may recover too. Therefore, Option D seems best.
Hope it helps!
The image of the butterfly above best represents.. Radial symmetry symmetry niche asymmetry
Where is the image...?
what is the ultimate original source of energy for all living things? A. Glucose B. The Sun C. ATP D. Carbon Dioxide
ATP is the correct answer
Identify the advantages that GMOs offer over crop varieties produced through traditional methods of breeding.
Select all that apply.
1.There are fewer government regulations and safety tests required.
2.It is easier to move genes between species.
3.There is less carry-over of undesirable traits.
4.GMOs are produced through a comparatively faster process.
The Venn diagram compares aerobic respiration and anaerobic respiration. Which statement should be categorized only in the aerobic section of the venn diagram?
A) occurs in the cytoplasm
B) produces water
C) we cryers no oxygen
D) is performed by yeast
Answer:
The correct answer would be B) produces water.
Aerobic respiration is a type of respiration in which oxygen is used as the final acceptor of the electrons in an electron transport chain.
It usually takes place in mitochondria of a cell except for glycolysis part which takes place in the cytoplasm.
In this respiration, carbon in glucose is oxidized to produce carbon dioxide whereas oxygen is reduced to form water.
H₂ + 1/2 O₂ →H₂O
In contrast, anaerobic respiration usually occurs in the cytoplasm and results in the formation of lactic acid or ethanol and ATP.
Answer:
Produces water should be in the only aerobic section of the diagram. Aerobic respiration end products are carbon dioxide and water. Anaerobic respiration end products are lactic acid in animals and carbon dioxide and ethanol in yeast and plants. (: AKA the answer is B
Explanation:
Describe how the red crab spider is adapted for its unique method of hunting.
They can disguise themselves throughout many nations. More commonly in Australia, Europe, and the North and South America! Hopes this helps!
How is the speed of light affected as light passes at an angle from air to water
What does neurons do?
Answer:
is an electrically excitable cell that takes up, processes and transmits information through electrical and chemical signals.
Explanation:
In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed plant with purple flowers. All of the offspring have purple flowers.Based on the results of the cross, which of the following statements most likely describes the alleles for flower color in jimsonweed?
Answer:
Although statements are not given in the question, we could make the most possible deduction as follows:
The allele for purple flowers is dominant whereas allele for white flowers is recessive.
Explanation:
According to the question,
Purple flower plant was crossed with white flower plant.All offsprings have purple flowers.Here we have one possibility that both parents were homozygous but in their own traits. Purple flower plants were "PP" and white flower plants were "pp" So, the first progeny (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.
what are the chances that a cross between a black chicken and white chicken will result in blue offspring?
a) 0%
b) 25%
c) 50%
d) 100%
the chances that a cross between a black chicken and white chicken will result in blue offspring is 100%, because Back and white are both incomplete dominant traits, 100% of the offspring will be heterozygous blue.
What is trait ?Traits are the attributes of an organism which are influenced by the environment and expressed by genes, the Physical features of an organism, such as hair color, leaf form, size, behavioral characteristics,
They have specific traits which allow them to be successful in the ecosystem, these are physical characteristics which include fin length, body shape, color patterns, eyesight, and muscle definition.
Species with substantial variation in traits For example, white-tailed deer in Pennsylvania have seed coat color with limited variation, all the organism have characteristics are genetic traits or behavioral traits.
Genetic Traits can be defined as the genes that one gets from both parents influence, the Individual and independent traits are defined by genes, which are encoded by unique portions of our DNA.
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When crossing a black chicken with a white chicken, 50% of the offspring are expected to be blue due to incomplete dominance. This is known as Andalusian Blue pattern in genetics.
When a black chicken is crossed with a white chicken, the resulting offspring may exhibit an intermediate phenotype called blue or Andalusian Blue. This occurs due to incomplete dominance, where neither black nor white alleles completely dominate. In this case, the expected outcome is:
50% of the offspring will be blue.25% will be black.25% will be white.Therefore, the correct answer to the question about the chances of getting blue offspring is c) 50%.
This exemplifies how genetics in chickens can lead to mixed characteristics due to blending inheritance.