Answer:
a commercial contract
Explanation:
Commercial contract is not among the types of contracts and clauses that are often held to be contrary to public policy.
Answer:
D. Americans
Explanation:
The antecedent is a noun that replaces the subject, the thing doing the action.
In the sentence instead of saying americans again it says their.
Explanation:
Weathering breaks down rocks; erosion moves them.
Weathering has to do with air; erosion has to do with rocks.
Weathering occurs only in winter; erosion occurs year-round.
Weathering can be chemical or physical; erosion is only chemical.