P waves travel the fastest
Ammonia belongs to a family of base because it is in basic nature
A primary election in which voters are not required to declare party affiliation.
<span>The answer is letter d. planting trees. Desertification is the result of droughts and also deforestration. Planting trees is an effective way to reverse and combat desertification. Tree roots binds/holds the soil together preventing soil erosion and also conserves rainwater through its roots keeping the soil fertile and away from being deserted.</span>
