Answer:
They are veins and arteries. The primary function of arteries is to transport highly oxygenated, nutrient-rich blood from our hearts and distribute it to the rest of our body. Veins, on the other hand, are used to pump much-needed blood back to the heart.
Here's a chart. Not sure what your choices are though.
Answer:
C
Explanation:
From reading what the process is, I think the answer should be C. The definition always says that you get energy from a chemical reaction and the products are CO2 and water. That can only mean that you have a hydrocarbon burning.
Chemically it looks like
C6H12O6 + 6O2 ====> 6CO2 + 6H20
Answer:
mass of 1 mole of H
2
=
3.4
g
+
O
2
=
10
g
→
H
2
O
=
3614.35999774
g
Explanation:
They should be limited to suit your needs not overdoing it or underdoing just to a healthy weight.
