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katovenus [111]
3 years ago
5

What happens to the grass molecules when it is eaten by the zebra?

Chemistry
2 answers:
sergejj [24]3 years ago
8 0

Answer/Explanation:

It gets energy from the sun that was inside of the grass.

It happens like this:

Sun gives energy to grass, grass gives energy to zebra.

Sun ---> Grass ---> Zebra

Lubov Fominskaja [6]3 years ago
3 0

<u>Answer:</u>

<u>read below</u>

<u>Explanation:</u>

<u>When the zebra eats grass, it gets energy from the sun that has been stored in the grass. Similarly, the lion obtains energy stored in the zebra. The zebra and lion both obtain the sun's energy indirectly from the energy that the grass obtained through photosynthesis. </u>

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Answer:

The answer to your question is the third choice.

Explanation:

                        CaCO₃  ⇒   CaO  +  CO₂

Check if the reaction is balanced or unbalanced

                  Reactants       Elements         Products

                           1              Calcium                1

                           1               Carbon                 1

                           3              Oxygen                3

As the number of atoms in the reactant is the same that the number of atoms in the products we conclude that the reaction is balanced.

So the correct answer is balanced because the total number of oxygen atoms is 3.

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3 years ago
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Explanation:Please see attachment for explanation

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3 years ago
Which of these statements about atomic models is most likely correct?
taurus [48]

Answer:

The correct option is the second option

Explanation:

Generally, the aim of science is to understand a particular concept in the best and the most correct way possible; hence experiments are done and repeated to ensure an explanation is actually true about a concept or need modification.

The atomic models have also been a "beneficiary" of this process. The different atomic models are usually been improved upon as scientists leaned more. For example, the Dalton's atomic theory has been modified to a more correct atomic description; some of which are shown below

(1) Dalton's theory suggested that an atom is the smallest unit of a molecule. We know now from different experiments (by J. J Thompson and Rutherford) that atoms are not the smallest molecules and are made up of smaller particles known as protons, neutrons and electrons.

(2) Dalton's theory suggested that atoms of the same elements are alike in all aspects. The knowledge of isotopy shows this is not always the case. As atoms of the same elements (isotopes) have the same atomic number but different mass number; hence cannot be said to be the same in all aspects.

(3) Dalton's theory also suggested that when atoms react, they do so in fixed, simple whole number ratio. The knowledge of organic chemistry shows atoms do not always react in simple whole number ratios

There are several modifications to different postulations by scientists that have also occurred aside from this, hence the most correct answer is that "As scientists learned more, they modified the atomic model"

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3 years ago
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Answer:

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Explanation:

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