Water molecules are not found in a dna molecule.
Answer:
They absorb the food molecules that result from the external digestion.
Explanation:
Answer:
because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.
Explanation:
Answer: D
Explanation: Quick Explanation since you're in a hurry but I found that demographic transition makes the birth rate higher. D should be your best choice
