Once an environmental bill becomes a law, who is usually responsible for the enforcement? a regulatory agency citizens a legislature the president or prime minister

The answer is the president or the prime minister.

Explanation:

Whenever any bill has to be passed, it must pass both the houses by a majority of vote.

When it has been passed with majority, the bill comes to the President.

If the President signs that bill, it becomes a law.

This process is called "overriding a veto."

Therefore, the president or prime minister is usually responsible for the enforcement.

c. are smaller than lakes. Ponds and lakes are often indistinguishable, and rules in classifying may differ per region. But ponds are relatively smaller than lakes and more shallow. Lakes are deep  enough that light cannot penetrate the bottom of the water.