The surface of Earth is covered by a relatively thin layer of water called the
1 2 3 4
crust mantle hydrosphere atmosphere
Question: The surface of Earth is covered by a relatively thin layer of water called the
(1) crust
(2) mantle
(3) hydrosphere
(4) atmosphere

Answer: (3) hydrosphere
Answer: (4) atmosphere
Question: The surface of Earth is covered by a relatively thin layer of water called the
(1) crust
(2) mantle
(3) hydrosphere
(4) atmosphere
Answer: (3) hydrosphere