Answer:
it's not clear
and not seeing the system clearly
White blood cells are made in the bone marrow. They are stored in your blood and lymph tissues. They help the body fight infection and other diseases.
Answer:
25%
Explanation:
adenine and thymine are base pairs so there will be an equal amount of adenine to thymine.
The four factors are availability of food, water, shelter and space. The effect they have on the population includes: lower birth rates, increasing death rates or leading to emigration