Which natural occurrence is an example if a long-term environmental change?

Long-term environmental changes require several years to occur in comparison to short-term  ones. For example, short-term environmental changes such as cyclones and fires can last up to three days, in comparison to long-term changes such as the last  Ice Age that lasted approximately 2000 years.

i think D

Explanation:

i believe it is d.) previous creature

b. we are called to honor our own words of reverent prayer with resolution in the deeds we must perform to preserve peace and the hope of freedom.