Question

Select the best answer for the question.
3. Why do the terrestrial planets lack hydrogen and helium in their atmospheres?
O A. Hydrogen and helium were converted to other compounds as the planets formed.
B. Hydrogen and helium are present in rings around the terrestrial planets.
C. Hydrogen and helium were blown away by solar wind.
D. Hydrogen and helium can't be retained because the planet masses are too small,
Mark for review (Will be highlighted on the review page)
<< Previous Question
Ne Question >

Answer 1

Answer:A

Explanation:hydrogen and helium are converted to other compounds as the planets are formed,because other elements such as carbon and oxygen easily combine with hydrogen and helium