Plants like pitcher and venus fly trap are green plants ,then why do they have to feed on insects? ?

Explanation:

they eat insects for nutrients like C n N as they cannot get enough nutrients from soil.

the arctic is a region of the planet, north of the arctic circle, and includes the arctic ocean, greenland, baffin island, other smaller northern islands, and the far northern parts of europe, russia (siberia), alaska and canada.

explanation:

newton's third law, for every action there is an equal and opposite reaction.