Question

question 17 1 pts add a prefix to the word \sphere\ to make a new word that means \half of a sphere.\ spherical hemisphere heterosphere atmosphere

Explanation:

The prefix "hemi -" means half. When added to "sphere", it forms "hemisphere" which means half of a sphere. "Spherical" is an adjective related to a sphere, "heterosphere" refers to a part of the atmosphere with different properties, and "atmosphere" is the air - surrounding the Earth.

Answer:

B. hemisphere