The answer is definitely "D"
Energy conservation is merely the means of saving energy in any way but the energy sustainability is one is trying to reduce energy usage in order for these resources to be available for the future generations.
Explanation:
Great white sharks are blue-gray on the dorsal, or top, part of their bodies. This helps them blend in with the bottom of the ocean when viewed from above. The belly, or ventral, part of the body, is white. This makes it difficult to see the sharks from below, with sunlight shining in around them.
Answer:
I think the answer is Five months
Explanation:
