Question

what had happened to the ponds and lakes​

Answer 1

Answer:

Most lakes and ponds form as a result of glacial processes. As a glacier retreats, it may leave behind an uneven surface containing hollows that fill with water. ... Some of the oldest lakes and ponds (more than three hundred thousand years old) were formed by tectonic activity related to movement of Earth's crust.

Answer 2

Answer:Threats to Lakes and Ponds. Chemical Pollutants such as pesticides and fertilizers drain into lakes and ponds through runoffs and have negative impacts. The aquatic life is threatened and the drinking water quality lowers. Due to the fact that pesticides are toxic, fish and other organisms living in the water most likely become sick and die.