Question

the diagram below shows granite bedrock with cracks. water has seeped into the cracks and frozen. the arrows represent the directions in which the cracks have widened due to weathering.

1. which statement best describes the physical weathering shown by the diagram?

a. enlargement of the cracks occurs because water expands when it freezes.
b. this type of weathering occurs only in bedrock composed of granite.
c. the cracks become wider because of chemical reactions between water and the rock.
d. this type of weathering is common in regions of primarily warm and humid climates.
the cross - section below shows the movement of wind - driven sand particles that strike a partly exposed basalt cobble located at the surface of a windy desert.

1. which cross - section best represents the appearance of this cobble after many years of exposure to the wind - driven sand?
2. which process involves either a physical or chemical breakdown of earth materials?

a. deposition
b. sedimentation
c. weathering
d. cementing

Explanation:

3.

La expansión del agua al congelarse en las grietas es un ejemplo de weathering físico. El agua se expande al convertirse en hielo y hace que las grietas se ensanchem.

El viento transportando partículas de arena erosiona el basalto cobble. La cara del cobble expuesta al viento se erosionará más, creando una forma asimétrica.

La weathering es el proceso que involucra la ruptura física o química de materiales de la Tierra.

Answer:

A. Enlargement of the cracks occurs because water expands when it freezes.

4.