Question

A cross section of rock layers is shown here, including a layer labeled with the letter X and an arrow. Which argument is supported by the presence of the fossilized seashells in the layer labeled 'X'? A) This layer was once a desert region. B) This layer was once beneath the ocean. C) This layer was once beneath a flooded forest. D) This layer was created by a landslide from a mountaintop.

Answer 1

its B-this layer was once beneath the ocean.

Step-by-step explanation:

Answer 2

I dont know I need this answer too

Step-by-step explanation: