GEOLOGY

Detailed explanation-1: -A lake is larger than a pond. A pond is much smaller in size as compared to a lake, river, or ocean. 2. A lake is much deeper than a pond.

Detailed explanation-2: -Rivers are created by nature. That is the river is natural. A pond is a kind of stable water body. The water body in the pond cannot flow.

Detailed explanation-3: -A pond is a small area of still, fresh water. It is different from a river or a stream because it does not have moving water and it differs from a lake because it has a small area and is no more than around 1.8m deep.

Detailed explanation-4: -Sea has a direct outlet to the ocean, whereas, lakes do not. Lakes may be above or below sea level. Lakes are man-made water bodies, whereas a sea is natural.