2. Cracks in a rock from exposure to pressure are an example of (Points : 2)
chemical weathering
physical weathering
biological weathering

3. What are the two main components of soil? (Points : 2)
humus and sand
humus and weathered rock
weathered rock particles and water

Question

2. Cracks in a rock from exposure to pressure are an example of (Points : 2)
       chemical weathering
       physical weathering
       biological weathering


3. What are the two main components of soil? (Points : 2)
       humus and sand
       humus and weathered rock
       weathered rock particles and water

jack1 · Answer

2, physical weathering
biology isnt affecting it, nor is it's chemical structure changiing

anonymous · Answer

as for 3.
 it would be humus and sand, I think.

anonymous · Answer

3 is humus and weathered rock.