Multiple Choice
What are the abundant elements that make up the composition of Earth's present-day atmosphere?
A) oxygen and carbon dioxide
B) nitrogen and oxygen
C) carbon dioxide, nitrogen, and hydrogen
D) hydrogen and oxygen
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q36: When using the scientific method, scientific theories
Q37: On a planetary scale, the ocean comprises
Q38: Marine science draws on information from disciplines
Q39: Who was the first person to estimate
Q40: The materials that formed the Earth and
Q42: Eratosthenes was a scientist who was interested
Q43: Stars spend their lives changing its hydrogen
Q44: Which individual would be most likely to
Q45: What type of information about the ocean
Q46: What comprises the most abundant form of