A terrestrial planet __________ would be most likely to have active volcanoes today.
A. close to the sun.
B. that is massive.
C. with a low density crust.
D. with liquid metallic hydrogen.
Answer:B
A terrestrial planet __________ would be most likely to have active volcanoes today.
A. close to the sun. B. that is massive. C. with a low density crust. D. with liquid metallic hydrogen.