PG. 618 Chemical Cycling
"The pathways by which chemicals cycle within ecosystems involve both living components and nonliving components and therefore are known as biogeochemical cycles. "
1- greenhouse gasses cause the greenhouse effect and make the planet warmer throughout the entire world. 2- A 3- A 4- taken in 5- (need the answer choices) 6-? 7- the carbon cycle is important because it circulates oxygen and CO2 throughout the atmosphere so that plants and animals can exist because of the other.
Answer:
The concentric vascular bundles is amphivasal
These are called sunspots, and appear regularly. They are cooler than the rest of the Sun's surface because of the extremely strong magnetic fields inside of them.
Answer:
cellulose
Explanation:
it is not the true polymer
