Two examples of radioisotopes that can be used are carbon-14 to determine the age of fossils. Second, we can use iodine-131 to treat thyroid disease.
Answer:
Point B
lighted candle is placed in front of a plane mirror. ... The candle, which appears behind the mirror, is the image of the candle formed by the mirror. The candle itself is the object. And the image will form at the equidistant in the mirror.
Answer:
Student 1’s methods would be more accurate, because the student would control more factors. Only one variable at a time (either temperature or acidity) would be tested on each group of worms. On the other hand, Student 2 is testing both factors on all the worms, which could make the results unclear.
