Answer:
Genetics
Explanation:
Genetics is the study of how traits are passed down to generations, like from parent to offspring.
Gregor Mendel is known as the father of genetics and was one of the first to study how traits were passed down across generations.
So, D is the correct answer.
It is vary long with dark brown spots
Explanation:
It responds to big changes including changes in output from the sun, plate tectonic movements, and random asteroid impacts from space.
The atmosphere remains trapped with hot air
