invasive species cost the United States more than $120 billion in damages every year.
You used hypothesis because you made an educated guess without any experiments.
3. Heart (The heart pumps oxygen thro our entire body, continuously)
4. Blood Vessels (In humans, nutrients are carried thro blood vessels)
I hope that helps!
Answer:
A.Oxygen
Explanation:
Trees take in Carbon for photosynthesis and as a waste product air.Animals do the exact opposite for cellular respiration.
Hope this helps :)
Somatic cells best describe your skin and stuff