Answer:
B.) These continents have become more industrialized.
Explanation:
These continents have become more industrialized. As they have become more industrialized, the economy grows and so does the need for energy.
Answer:
D. Artificial Selection.
Explanation:
Normal people can't breed cats by modifying their DNA, so options b and c are eliminated. Breeding cats for specific traits is not natural, so it is not choice a, either. Instead, selective breeding is d. artificial selection.
Hope this helps!