If the microscope is lighter then a brick that means you have to multiply The two numbers In a row
That would be B.
One strand will be newly made the other will be old/parent strand.
Answer:
The arteries (red) carry oxygen and nutrients away from your heart, to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.
Explanation:
sorry if its wrong
Answer:
yes it would be correct
Explanation:
Hyperventilating can slow the co2 level in the body dramatically, it reduce the need for your body to that regular amount of oxygen all the time. Your friend is partly right but at some point you will need to come up for air
