Answer:
Scientific method......I think
They’re electromagnetic radiation wavelengths that are visible to most human eyes.
<span>The nurse determines this patient is displaying Circulatory hypoxia.Sickle cell anemia can lead to circulatory hypoxia as the cells sickle in the blood vessels and block them. It also produces an anemic hypoxia as the sickled blood cells are removed from circulation.</span>
They breathe through unseen holes in their heads. You may only see them with a microscope.
Answer:
Deoxyribonucleic acid (DNA) is a unique set of instructions that are in every cell. DNA provides the organisms' cells instructions needed to survive and reproduce.
Explanation: