Suppose you were asked to Identify one of Farth's havers based on its
properties list two questions you might ask
identify the lover. How would the answer to
each question help you identify the layer?

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

artificial selection

explanation:

this occur when man select base on their intelligent