I believe the first answer is #4 and the second is #1. Please correct me if I am wrong.
The pH scale is from 1-14 and if the water is on 7, it would make it a neutral substance (C).
Answer:
Increased blood flow kills healthy cells which prevents infection at the site of the injury.
Increased blood flow carries white blood cells to the site of the injury.
Explanation:
:)
Answer:
C the shapes of continents appeared to allow them to fit together
Answer:
Ants and aphids have a special relationship, mutualistic in nature
Explanation:
hey each benefit from one another; ants protect aphids and aphids feed ants. Aphids feed their farmer ants a sweet honeydew liquid in exchange for protection from predators.