Answer:
nitrogen is an essential nutrient for sustaining life on earth, without it, plants would die, then herbivores due to starvation, and so on
Explanation:
Kidneys filter the extra water plus toxic materials in our blood. The help maintains homeostasis by keeping the level of toxin down.
I think the best answer would be
<span>Test the variation in the amount of amylase produced by each individual before and after being presented with a bowl of pasta.</span>
An igneous rock such as basalt may break down and dissolve when exposed to the atmosphere, or melt as it is subducted under a continent. Due to the driving forces of the rock cycle, plate tectonics and the water cycle, rocks do not remain in equilibrium and are forced to change as they encounter new environments.
Answer:
B.
Explanation:
the answer is nucleic acid
