Answer is c photosynthesis
Answer:
If a chain reaction takes place, the amount of energy released would increase exponentially, so in order to control the energy release, fission must be controlled without controlling a chain reaction, so the third option is correct.
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Explanation:
Answer:
The answer is
<h2>20 %</h2>
Explanation:
The percentage error of a certain measurement can be found by using the formula
![P(\%) = \frac{error}{actual \: \: number} \times 100\% \\](https://tex.z-dn.net/?f=P%28%5C%25%29%20%3D%20%20%5Cfrac%7Berror%7D%7Bactual%20%5C%3A%20%20%5C%3A%20number%7D%20%20%5Ctimes%20100%5C%25%20%5C%5C%20)
From the question
actual volume = 35 mg
error = 35 - 28 = 7
The percentage error is
![P(\%) = \frac{7}{35} \times 100 \\ = \frac{1}{5} \times 100 \\ = 20](https://tex.z-dn.net/?f=P%28%5C%25%29%20%3D%20%20%5Cfrac%7B7%7D%7B35%7D%20%20%5Ctimes%20100%20%5C%5C%20%20%3D%20%20%5Cfrac%7B1%7D%7B5%7D%20%20%5Ctimes%20100%20%5C%5C%20%20%3D%20%2020)
We have the final answer as
<h3>20 %</h3>
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A molecular covalent substance (such as co2) has a low melting point because the covalent bonds that hold the molecules together are weak and do not require much energy to break:- False.
What are covalent bonds ?
An electron transfer that leads to the formation of electron pairs between atoms is known as a covalent bond. When atoms share electrons, a stable balance of the repulsive and attractive forces among them is known as covalent bonding. These electron pairs are also known as bonds or shared pairs.
It is a molecular compound, which is a mixture of at least two atoms—the smallest building blocks of matter—joined by a covalent bond. These atoms are joined by a covalent bond, which is formed when electrons are shared.
Learn more about covalent bond here:-
brainly.com/question/19382448
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Answer: D. Ecologist
Explanation: an ecologist is someone who studies the interactions of different organisms. An ecologist would be a type of scientist who would most likely study the interactions of birds