Answer:
I think the answer is A
Explanation:
D is pointing at specifically at electron which is the outer charger of the electron cloud. I don't think its likely to be D as the answer.
Prokaryotic cells would be plant cells
eukaryotic cells would be human/animal cells
The correct answer is option a, that is, It is sometimes sprayed too far from the crops.
The use of pesticides on crops may exhibit a significant threat to the environment, mainly in and nearby to water sources with sensitive ecosystems, sources area, public drinking water, residential areas, and recreational waters.
Aircraft spray of pesticides takes place from a greater altitude than the ground-based equipment and on a major scale, both of these elements may enhance the threat of spray drift.
The role of the retina is to receive light that the lens has focused. It then converts the light into neural signals which get sent to the brain for visual recognition.