Apuffy white cloud with a flat bottom

a. cumulus

b. fog

c. stratus

d. cumulonimbus

The correct answer is Cumulus.

These clouds look puffy and is flat in bottom. They look like cauliflower and  are white colored too.

These forms of clouds floats in the sky and seems to be like floating cotton. They are located at 3300 feet above the ground.

They always grow in upward direction and can sometimes form giant structures which are known a the giant cumulonimbus which is responsible for thunderstorms.

a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.

the correct answer is:

a population changes in response to a change in the environment.