Question

a student compared the chemical composition of soil in a certain area with the bedrock beneath it. she found that the chemical compositions were different. which statement would best explain the difference in chemical composition? a. the soil layers were mature because a large amount of time had passed. b. the soil's rock particles were brought from a different location by erosion. c. the area's water washed iron oxide from the a horizon to the d horizon. d. the area's rain and extreme temperatures caused the soil to develop.

Answer 1

Answer;

B. the soil's rock particles were brought from a different location by erosion.

Explanation;

Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. Bedrock also underlies sand and other sediments on the ocean floor.

The chemical composition of a soil formed in a certain area from the bedrock beneath it is determined by the minerals in the bedrock beneath the soil and the climate of the are. The composition of sediments on Earth's surface usually is quite different from the composition of the underlying bedrock, which suggests that most sediments are transported

Answer 2

I think its b. hope this helped