It takes about one minute for a blood cell to make a complete circuit of the human body.
For air masses to form fronts, they must collide with each other. B.
Answer:the fitness of an organism is the ability to survive and reproduce
Explanation:
Answer:
<u><em>Phosphorus</em></u>
Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Earth.
Explanation:
Brainliest?