In which way are Venus and Mars alike and yet both markedly different from Earth?
A) Venus and Mars are both perpetually shrouded in clouds.
B) Venus and Mars both have either active or extinct volcanoes on their surface.
C) The atmospheres of Venus and Mars are both made up primarily of carbon dioxide.
D) The surface temperatures of Venus and Mars are both much higher than that of Earth.

Question

Quizplus · Accepted Answer

Venus and Mars are both markedly different from Earth in terms of their primary atmospheric composition consisting of carbon dioxide. However, they are alike in this respect as well, as their atmospheres are primarily composed of this gas.

In Which Way Are Venus and Mars Alike and Yet