Answer:
A. freezing and thawing
B. plant growth
D. abrasion
Examples of mechanical weathering include frost and salt wedging, unloading and exfoliation, water and wind abrasion, impacts and collisions, and biological actions. All of these processes break rocks into smaller pieces without changing the physical composition of the rock.
Explanation:
hope this helps :D
Hydrogen has one valence electron. To make it an ion, you need to remove this valence electron. When you remove an electron, the element becomes positive because you are taking away the negative
