9.5 x 1015 = 9642.5
<span>6.08 × 1018 = 6189.44
If you take these two problems, and then subtract, and find out the difference between the two distances, then you should be able to get your answer.
Hope this helps!</span>
Ribosomes produce the proteins
2, because a theory is not a law that can not be changed, and new evidence can change a theory.
Answer:
When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air
Explanation:
Answer:
Oxygen levels stay above 15 percent starting 200 million years ago
Explanation:
Atmospheric oxygen levels are related to the evolution on Earth and changes in geochemical cycles that involve climate variations.
The presence of O
2 and evolution of oxygen gave new opportunities to the life on Earth. Oxygen levels in atmosphere have fluctuated between 15% and 35% of atmospheric volume, since the start of the Cambrian period.
So, form the starting 200 million years ago, oxygen level stay above 15 percent and the correct option is "B".