I was out and I don't know any of this

Answer:

consumers

Explanation:because they depend on the producers

Carnivores are the organisms that eat other animals and among the options provided, only 'carnivores' accurately hit the mark. Consumers, decomposers, and producers are classifications of organisms based on their source of food and method of energy acquisition, but only carnivores specifically feed on other animals.

Which Organisms are Carnivores?

Among the options provided, carnivores are the organisms that feed on animals, either herbivores or other carnivores. Examples of carnivores include lions, polar bears, hawks, frogs, salmon, and spiders. Some carnivores are obligate carnivores, meaning they can only eat animals because they cannot digest plants, while other carnivores can digest both but primarily consume animal matter.

Consumers are organisms that depend on other organisms for food and include all animals, which means they can be herbivores, omnivores, or carnivores. Decomposers, like fungi, are actually consumers that break down dead organisms for energy but do not fit the category of carnivores. Producers, such as plants, are the base of food chains and are not considered carnivores as they produce their own food via photosynthesis. Omnivores consume both plants and animals, examples include humans and bears, but they are not exclusive carnivores.

The vertical columns on the periodic table are called groups or families.

The vertical columns on the periodic table are called groups or families. Elements within the same group share similar chemical properties due to their identical outer electron configurations. There are 18 groups in the modern periodic table, each denoted by a number or a specific name.

Elements in the same group often exhibit comparable reactivity and bonding characteristics, providing a systematic way to understand and predict the behavior of elements. This grouping facilitates the organization of elements based on their shared characteristics and contributes to the periodic table's utility in chemistry.

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d is the answer :) hpe for D

Final answer:

A secondary consumer in a food web is a carnivore that feeds on primary consumers, indirectly obtaining energy from plants and residing on the third level of the food chain. They play a crucial role in ecosystem balance.

Explanation:

The role of a secondary consumer in a food web is best described as a carnivore that feeds on primary consumers. Secondary consumers get their energy indirectly from plants by consuming herbivores. These carnivores are on the third level of the food chain and play a critical role in transferring energy from plants to higher trophic levels. For example, a lion, which eats herbivorous animals such as zebras, is a secondary consumer. Secondary consumers may also be omnivores that, along with primary consumers, consume producers directly. It's important to note that secondary consumers are essential components of an ecosystem, helping to maintain balance by controlling the population of herbivores, thus preventing overgrazing and depletion of plant life.

Answer:64.43g H2O

Explanation: the other one is wrong

The answer is the second group :)

It is A the answer is A and I'm doing homeschooling and I do quizzes and I got a A on it so the answer is A

Answer:

The correct answer is "Element A is more reactive".

Explanation:

The missing options of this question are:

Element A is more reactive.

Element A is less reactive.

Element A and B have the same reactivity.

Element A has no reactivity.

The correct answer is "Element A is more reactive".

Valence electrons are defined as outer shell electron that can participate in the formation of chemical bonds with other atoms. The atoms tend to have either 0 or 8 valence electrons. Therefore, depending in the number of valence electrons, an atom can either give their valence electrons (1 to 3 electrons) or try to take more valence electrons (4 to 7 electrons). Element A with 7 valence electrons is more reactive that Element B with 4 valence electrons, because Element A only needs 1 more electron to full its 8 valence electrons.

In a galvanic cell composed of aluminum and sodium electrodes, sodium is the metal that is oxidized because it has a more negative standard electrode potential, indicating a tendency to lose electrons more readily than aluminum.

In a galvanic cell, the metal that is oxidized is the one that loses electrons. Oxidation takes place at the anode of the cell. To determine which metal is oxidized between aluminum and sodium in a galvanic cell, we consider their standard electrode potentials. The metal with the more negative standard electrode potential tends to lose electrons and get oxidized. In this case, aluminum has a standard reduction potential of -1.66 V, while sodium has a standard reduction potential of -2.71 V. Since aluminum is less negative, it is the more noble metal and is less likely to lose electrons compared to sodium.

Therefore, in a galvanic cell made up of an aluminum electrode and a sodium electrode, sodium will be the metal that is oxidized. This is because sodium has the more negative standard electrode potential and, consequently, a greater tendency to lose electrons. The half-reaction for sodium at the anode would be

Na(s) ⇒ Na⁺(aq) + e⁻.

In contrast, aluminum will be reduced at the cathode in this cell.

Answer:

D) Alkaline earth metals.

Explanation:

For the given reaction, 1 mole of Al2S3 produces 3 moles of H2S. Therefore, 32 moles of Al2S3 can produce 96 moles of H2S. This is the theoretical yield of H2S for this reaction.

The balanced chemical equation given is Al2S3 + 6H2O → 2Al(OH)3 + 3H2S. From this equation, you can see that 1 mole of Al2S3 produces 3 moles of H2S. Therefore, if you have 32 moles of Al2S3, theoretically you can produce 3 x 32 = 96 moles of H2S. This is the theoretical yield of H2S for the given reaction, assuming that the reaction goes to completion with no side reactions.

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Answer:

the answer is 125, i got this right

An imaginary gas which obeys that gas law is called an ideal gas. Details about ideal gases can be found below.

Ideal gas in chemistry refers to a hypothetical gas, whose molecules exhibit no interaction, and undergo elastic collision with each other and with the walls of the container.

In other words, an ideal gas is said to obey the gas laws and do not interact with each other.

Therefore, it can be said that an imaginary gas which obeys that gas law is called an ideal gas.

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is C and D an answer?

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Final answer:

Given the samples' physical states at room temperature, Sample A (solid) is iodine, Sample B (liquid) is bromine, and Sample C (gas) is chlorine, due to the distinct physical properties of halogens.

Explanation:

To determine the identities of samples A, B, and C, we must consider the physical properties of halogens at room temperature. The given information states that Sample A is solid, Sample B is liquid and Sample C is gas at room temperature. Knowing the room temperature states of halogens, we can match these to iodine, bromine, and chlorine respectively. Here's why:

Therefore, Sample A which is solid at room temperature must be iodine, Sample B which is liquid must be bromine, and Sample C which is a gas must be chlorine.

Answer:

The liquid is proportional to cytoplasm and the particles would be proportional to organelles.

Explanation:

The cytoplasm in cell biology refers to all the substances inside a cell, enveloped by the cell membrane. The majority of the activities in the cell occurs inside the cytoplasm. The cytoplasm comprises about 80 percent of water and is generally transparent.  

On the other hand, a tiny cellular composition, which does unique activities inside a cell is known as an organelle. The organelles are enclosed inside the cytoplasm of both prokaryotic and eukaryotic cells.  

Answer:    A) Fossils of the same organisms found in different continents

Explanation:  Continental drift is a theory, according to which, for a long period of time, continents moved one against the other across the ocean bed. This theory has been developed by several scientists, supplemented, rewritten, etc, but in essence this theory is explained by the theory of the tectonic plate, that is, the continents move by floating on the plates of the Earth's lithosphere. Evidence for this are similar fossils, animal and plant, found on different continents, which means that they were formed once on the same, one continent, before the separation and floating of continents one in relation to the other.

The statement 'fossils of the same organisms found in different continents' provides evidence that supports the continental drift theory (Option A).

In conclusion, the statement 'fossils of the same organisms found in different continents' provides evidence that supports the continental drift theory (Option A).

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In evaporation particles of water take energy in the form of sunlight from the surrounding and then convert into vapor phase. Therefor evaporation is the only reason for the lot more water in air in summer

Evaporation is a physical process in which the water in liquid state converts to gaseous state at the temperature below its boiling point. Evaporation happens before the boiling process.

Evaporation causes cooling effect in the surrounding. During summer when water is kept in earthen pot water cools, this is because of the evaporation process

Evaporation is affected by temperature. As the temperature increases the rate of evaporation increases and hence in summer there is more evaporation and hence there is lot more water in air

Therefor evaporation is the only reason for the lot more water in air in summer

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Final answer:

The increased water in the air during hot summer days is a result of evaporation, where the sun's heat transforms liquid water into water vapor increasing the humidity in the air.

Explanation:

During hot summer days, the increased water in the air is primarily due to the change of state called evaporation. Evaporation is a process where liquid water on Earth's surface, like lakes and rivers, absorbs heat from the sun and transforms into water vapor. This vapor then enters the atmosphere contributing to the higher humidity we experience during summer times.

Evaporation happens when the sun heats the water, providing energy for the water molecules to escape from the liquid's surface into the air as vapor. It is one of the critical phases in the water cycle, and unlike condensation, which is the change of water vapor into a liquid, evaporation changes liquid into gas. This process is essential as it contributes to cloud formation and precipitation, playing a vital role in weather patterns and ecosystems.

16.94 grams of oxygen is the correct answer

Answer:

Thermal Energy

Explanation:

The statement which is true during an exothermic reaction is that is Heat is released. (option B)

Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products substances

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The assertion that particles in an object at its freezing point have no kinetic energy is false. At the freezing point, the particles' motion is significantly reduced, but it is not completely eliminated. As a result, the particles maintain some level of kinetic energy.

In physics, the statement 'at the freezing point, the particles in an object have no kinetic energy' is false. Kinetic energy is the energy an object possesses due to its motion. When a substance reaches its freezing point, its particles are still in motion, but at a slower rate. They continue to vibrate, rotate, and occasionally move from place to place, although at a slower pace than in a liquid or gaseous state, reflecting that they still possess kinetic energy, albeit at a reduced level.

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