The idea that life evolves through time was first suggested in ancient greece, and it was favored by at least some scientists of the 18th and 19th centuries even before charles darwin proposed the theory of evolution. what is the key observational evidence that supports the idea that life on earth has evolved through time?

Fossils

Explanation:

Fossils are the remains or trace of a living organism in the past. After an organism dies as time passes the soil over the body starts to increase. It can be assumed that more the depth the older the organism.

The ancient Greek philosophers deduced that fossils were once living beings. Aristotle noticed that the fossil seashells were similar to the ones that were found on the beach. This made him think that fossils were once living.

c. reserves power to the states and people

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.