Answer:
Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements
Explanation:
I'm going to say C. i'm not 100% sure but its the most reliable
Answer:
Explanation:
Many lakes, especially those in the Northern Hemisphere, were formed by glacier s that covered large areas of land during the most recent ice age, about 18,000 years ago. The huge masses of ice carved out great pits and scrubbed the land as they moved slowly along. When the glaciers melted, water filled those depressions, forming lakes.