The fact that the two strands of DNA are complementary <span />
Answer: It describes water molecules moving across a membrane, which allows the water molecules to pass in and out freely, but forbids the motion of other molecules.
Explanation:
A in Biology class last year.
Answer:
ecosystem diversity
Explanation:
sorry if wrong-tried my best
Surprisingly chocolate actually contains a fair amount of iron. Red meats are known to contain iron, one thing in particular is blood (yes that is sometimes eaten, and it contains a lot of iron). Such organs of animals that are high in iron include the spleen and or marrow.
If you wish to go vegetarian red veggies tend to be high in iron, one in particular are beets (yes, i know, they aren't red until processed)
Answer:
Biosphere
Explanation:
It is not the atmosphere, because the atmosphere is made up of air. It is the biosphere because it is a plant.
