Describe a way how people might be able to solve each environmental problem:
1. coal mining can harm habitats and cause pollution.

2. cutting a forest destroys habitats and can lead to soil pollution.

3. waste from garbage in landfills can enter the ground and pollute soil and water.

the answer is d. amendments.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.