Question

Sedimentary rocks found high in the Himalayan Mountains have been found with fossils of clams and other marine life. What does this indicate about the origin of the Himalayan Mountains?
Responses
A There was once a large forest at top of the mountains.There was once a large forest at top of the mountains.
B Animals that now live on the mountains once lived under water.Animals that now live on the mountains once lived under water.
C The Earth's crust that formed these mountains was once covered with an ocean.The Earth's crust that formed these mountains was once covered with an ocean.
D Continental drift resulted two tectonic plates moving closer to each other over time.Continental drift resulted two tectonic plates moving closer to each other over time.

Answer 1

C

The marine fossils in sedimentary rock show those rocks formed on an ancient seafloor. Later tectonic plate movement (the collision of the Indian and Eurasian plates) uplifted that ocean crust into the Himalayas, raising the former seabed to high elevations.