Answer:
The two types of quantities scientists consider when examining is Scalars and Vectors
The mitochondria is the site of respiration and energy production.
It is probably the type of environment they live in
Answer:
difference in density
Explanation:
We know that the high central density suggests the earth must be rich in nickel and iron and that much of the core must be liquid. This lower-density air then rises and is replaced by cooler, higher-density air. The result is atmospheric circulation that drives the weather and climate through redistribution of thermal energy.