Explain the difference between perfect and imperfect flowers in complete sentences.

Flowers with both functioning male and female parts called as perfect flowers and flowers missing one of the male or female parts called as imperfect flowers.

Explanation:

Plants may produce imperfect flowers or perfect flowers. The main male reproductive part of plants is the stamen and pistil is the main female reproductive part. If both male part and female part are present and functional in a flower, referred as a perfect flower. If anyone of the male part or female part is missing or underdeveloped or not functioning is referred as an imperfect flower.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

i think the answer is a.keratin is the pigment responsible for skin color.