The roots of trees helps hold the soil together, so it's not a
Forests do in fact, yield useful products, fruits, lumber, animals to hunt, medicine tree, so it's not b
Forests do provide a habitat for many animals, so it's not c
SO the answer must be D. For reference, soil salinization is the process in which salt content increases in the soil.
Don't let heat escape from your house for a long period of time
You can clean or replace filters in your house
you can cover ur pots while cooking
Take a shower instead of bath
Use less hot water
These are some that I thougth of
The Andes have formed as a result of a subduction zone while the Himalayas have formed as a result of a convergent plate boundary.