Answer:
The answer is A.
Explanation:
Adaptive immunity recognizes antigens of viruses.
Answer:
Groundwater is transported through aquifers because of two main reasons: gravity and pressure. In unconfined aquifers, which we concentrate on because they are more likely to be contaminated, water always flows from high points to low points because of gravity.
Explanation:
Answer:
striated
Explanation:
skeletal muscle: The voluntary muscle of vertebrates, which is striated and anchored by tendons to bone, is used to effect skeletal movement such as locomotion.
It is the independent variable. Because it can have an effect on the dependent variable.
The earth rotates on its axis
