Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
So we can protect ourselves from the same virus if it attacks again in the future
The research about Linnaeus helped us discover the similarities between different species.The fossils help us understand like taxonomy
Answer:
a.the cells gain water
Explanation:apex just gave me the answer
G...eventually the larger fish would catch on that these smaller fish are a problem.
