What causes Mechanical/Physical weathering and Chemical weathering?

Answers

Answer 1

Physical, or mechanical, weathering happens when rock is broken through the force of another substance on the rock such as ice, running water, wind, rapid heating/cooling, or plant growth. Chemical weathering occurs when reactions between rock and another substance dissolve the rock, causing parts of it to fall away.

Answer 2

Mechanic weathering
Ice wedging, pressure release, plant root growth, and abrasion can all cause mechanical weathering. in the cracks and pores of rocks, the force of its expansion is strong enough to split the rocks apart. ... This release of pressure causes the rock to expand. As the rock expands, cracks form in it, leading to exfoliation.
Physical weathering is caused by the effects of changing temperature on rocks, causing the rock to break apart. The process is sometimes assisted by water. Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart. ...
Chemical weathering is caused by rain water reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts
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Related Questions

Which of the following types of rocks are likely to be formed due to heat and pressure?

Select one:
a. Sedimentary rock only
b. Metamorphic rock only
c. Both sedimentary rock and metamorphic rock
d. Neither sedimentary rock nor metamorphic rock

Answers

Answer:

B, metamorphic rock

It’s going to be (b)

Which statement correctly describes entrepreneurs?

They run a business that was developed by their boss.
They give ideas to others so they can start a business.
They develop and start businesses and work to keep them running.
They provide the money necessary for someone to start a new business.

Answers

Answer:

They develop and start businesses and work to keep them running.

They develop and start businesses and work to keep them running

How many countries in sub-Saharan Africa are considered to have high levels of development?
A.none
B.one
C.five
D. more tan ten

Answers

Answer:

pretty sure its one

Explanation:

the answer is a, none

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