The diagram shows the changes in foot structure in a bird population over many generations. Time
Time
Present day
How can these changes best be explained?
A
extinction
В.
evolution
C
stable gene frequencies
D.
use and disuse

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.

the fossil record provides evidence of a common ancestor to many species.

burning fossil fouls really decrease the carbon in the atmosphere so b