D- The digestive system breaks down your food and your circulatory system takes it throughout your body
Fossil fuel<span> is a general term for buried combustible geologic deposits of organic materials, </span>formed<span> from decayed plants and animals that have been converted to crude oil, </span>coal<span>, natural gas, or heavy oils by exposure to heat and pressure in the earth's crust over hundreds of millions of years.</span>
Answer:
iron
Explanation:
iron helps in blood making
We have -
Puma
Mountain lion
Bobcat.
ETC.