Answer: The digestive system metabolizes (breaks down) food using enzymes. The small intestine helps absorb 1.water and 2.nutrients necessary for life!
Explanation:
Answer:
It represents the four nitrogenous bases found in DNA.
Explanation:
The numbers 1 to 4 represent guanine, adenine, thymine and cytosine.
Your answer is C. HCO3 levels are referencing Hydrogen as it relates to the pH scale. More Alkayline? Or more Acidic?