C. Because it is the only one we don’t see often and isn’t used often unless you are near it. All the others are used daily
<span>Light microscopes can only produce clear images of objects to a magnification of</span> about 1000 times
Answer:
The concept of immense periods of geological time are necessary to account for the possibility of the small changes resulting slowly into major changes. Thus long periods of time are essential for Darwin's theory of slow uniform biological changes being responsible for the Origin of the Species.
Explanation:
Swollen lymph nodes is the sign of infection because swollen lymph nodes usually occur as a result of exposure to bacteria or viruses. When swollen lymph nodes are caused by an infection, this is known as lymphadenitis (lim-fad-uh-NIE-tis). Rarely, swollen lymph nodes are caused by cancer.
Your lymph nodes, also called lymph glands, play a vital role in your body's ability to fight off infections. They function as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of your body. Common areas where you might notice swollen lymph nodes include your neck, under your chin, in your armpits and in your groin.