A. umbilical cord is the answer
The grass carp is herbivorious
The answer is B because mitochondria supports the respiration that it need to produce.
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.
