Refer to the following choices to answer the questions below. Choose the answer that best describes the chemical composition of the object.
-Earth's atmosphere
A)nickel and iron
B)80 percent nitrogen, 20 percent oxygen
C)95 percent carbon dioxide
D)mostly hydrogen and helium
E)frozen methane, ammonia, water, and other gases and dust

Question

Quizplus · Accepted Answer

Earth's atmosphere is composed of 80 percent nitrogen and 20 percent oxygen, with trace amounts of other gases.

Refer to the Following Choices to Answer the Questions Below