Answer:
Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time
Explanation:
Clean coal is meant to drastically improve emissions, but no matter how much you treat it, it still creates an environmental impact
Explanation:
Having filtered out small essential molecules from the blood - the kidneys must reabsorb the molecules which are needed, while allowing those molecules which are not needed to pass out in the urine. Therefore, the kidneys selectively reabsorb only those molecules which the body needs back in the bloodstream.
Answer:
W
Explanation:
Because when the sale starts invited it starts out as a singular cell, then divide itself into two and it continues to divide itself. So the answer that would make the most sense would be W because it starts out with only two.
