The formula used can be found in Quora.com (population*average height)/Earth's circumference), gives the result of the number of the human chain.
If the average height of an American is 1.77m and the US population is 326, 292, 068 (June 2, 2017) and if everyone is already an adult.
US population 326, 292, 068
Average height according to study
is estimated as the same as arm span <span>1.77
</span>Earth circumference in meters: <span>40,075,000
</span>
<span>
(</span>326, 292, 068 people * 1.77m) / 40,075,000m = 14.411 times
Coal and oil because they are fossil fuels
D because if the species was to be removed from an ecosystem, everything that needed that species as food, or the species ould have to adapt to the foods available in the new ecosystem they live in. Hope I helped, and let me know if you are still not 100% sure about the answer, and I'll try to clarify what I said.
Answer:
chloroplasts
Explanation:
they are the organelles in plant cells that take in sunlight and make energy (photosynthesis)