What is the difference between Mechanical and Chemical Weathering?

What is the similarities between Mechanical and Chemical Weathering?

Carbon dioxide, oxygen, water, and acids may all cause chemical weathering. Mechanical weathering is the process of breaking a large rock into smaller pieces without changing the minerals in the rock. Mechanical weathering may be caused by frost, ice, plant roots, running water, or heat from the sun.

Weathering is rock, solid, and chemicals that break apart