Answer:
It all comes from the sun
Explanation:
this is because without the sun plants wouldn't grow and without plants our meat sources can't eat and therefore nothing else can either.
Answer:
True and The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants
Red cells take up 40%-50% of the total blood volume
Answer:
a.
Explanation:
The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.
