Earth's continents and seafloors together form a thin outer layer of the planet called the
A)crust.
B)strata.
C)biosphere.
D)Pangean supercontinent.

Question

Quizplus · Accepted Answer

The outer layer of the planet that is composed of the continents and seafloors is called the crust. The other options - B) strata refers to layers of rock or soil, C) biosphere refers to the part of the Earth where life exists, and D) Pangean supercontinent refers to the hypothetical ancient supercontinent that was formed approximately 300 million years ago - are not accurate descriptions of the outer layer of the planet.

Earth's Continents and Seafloors Together Form a Thin Outer Layer