I believe the answer is B, primary active transport. Root hair cells in plant use active transport to absorb mineral ions such as nitrates from the soil. The concentrations of minerals in the soil are lower in the soil than in within the root hair cell, therefore the transport will be against the concentration gradient which does not favor diffusion, therefore the pant has to use active transport.
Answer:
below
Explanation:
they could be a-symptomatic
Yes, like on land humans are at the top of the food chain and the rest of the animals on land trickles down from there. Yet the only difference with a marine food chain is instead of land animals and humans the food chain consists of fish,sharks, and other water dwelling animals.
Hope this helped!!
The least dense layer of the atmosphere is the exosphere as it is the outer most layer of the atmosphere. Hope it helps!
