Answer:
Test Variable (independent variable)
Explanation:
X is always the independent variable/time. Test grades is dependent because it's the outcome. Trust me I took the test.
Answer:
For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it. Each of your body systems relies on the others to work well. Your respiratory system relies on your circulatory system to deliver the oxygen it gathers, while the muscles of your heart cannot function without the oxygen they receive from your lungs. ... Your circulatory system delivers oxygen-rich blood to your bones.
Explanation:
Answer:
C) The allele R' is becoming more common in the population.
Nucleus
The DNA is located in the nucleus which are chromosomes
to regulate what comes in and leaves the cell
