Answer (option c):
Placer mining involves <u>dredging sediments from the water bottom</u> to extract minerals.
<span>Harmful effects of pain relievers include over-sensitivity to light, increased risk of heart attack and stroke, liver damage, thinning of the blood, and deterioration of the stomach lining.
Pain relievers also known as pain killers are used to reduce or eliminate pain. But there are many harmful effects also. There are many pain relievers which are available without prescription but there are some which are not. pain killers if overdosed, it can be fatal.</span>
Answer:
False
True
False
True
True (i think)
False
False
False
True
True
(i think they're all right but check again)
The answer would be letter C