Respuesta :
Answer:
C
Explanation:
when there is iron or other materials exposed to salt and oxygen, the result is rust, which is a form of weather oxidation.
One of the example of Physical weathering is Thermal expansion.
What is physical weathering?
Physical weathering also known as mechanical weathering is the process in which the rock breaks without changing its chemical composition. For example, ice wedging can cause rock breaking, plant roots can grow in cracks
Thermal expansion is a type of Physical weathering.
Therefore, option A is a type of Physical weathering.
Learn more about Physical weathering here:
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