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Author Question: Which of the following is a longitudinal wave? A) sound B) light C) radio D) all of the above ... (Read 39 times) |
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.