Physics, 31.07.2019 17:30 abigail018
How can mechanical waves in the treatment of cancer? a. ultrasound is used to improve absorption of a radioactive pellet by a tumor. b. the radioisotope in a radiopharmaceutical releases sound waves into surrounding cells. c. beams of x-rays are targeted at a cancerous tumor from outside the body. d. cells absorb chemotherapy drugs more easily after being treated with ultrasound.
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Physics, 22.06.2019 20:30
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
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Physics, 22.06.2019 20:40
Newtons view of arrangement of the universe. don't copy from anywhere.
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Physics, 23.06.2019 01:00
When solid surfaces slide over each other the kind of friction that occurs is called friction
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How can mechanical waves in the treatment of cancer? a. ultrasound is used to improve absorption o...
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