The volcano Olympus Mons on Mars is
A) taller than Mt. Everest and as large as the state of Arizona
B) smaller than Mt. Everest but as large as North America
C) taller than Mt. Everest and but only as large as the Big Island of Hawaii
D) about the same height and size as Mt. St. Helens in Washington State, USA

Question

Quizplus · Accepted Answer

Olympus Mons is a shield volcano on Mars and is the tallest volcano known in the solar system. It stands at a height of 21.9 km (13.6 mi) which is almost three times the height of Mount Everest. It has a diameter of about 600 km (370 mi), which is approximately the size of the state of Arizona.

The Volcano Olympus Mons on Mars Is