Answer:
1.Predict whether or not water
sources near a manufacturing
plant are contaminated
2.Collect the water samples
3.Measure the amounts of metals
in each sample and record the
amounts in a table.
4.Conclude which, if any, of the
water samples have unsafe
levels of metal.
The frozen balloon shrank because the average kinetic energy of the air molecules in a balloon decreases when the temperature decreases. This makes the molecules move more slowly and have less frequent and weaker collisions with the inside wall of the balloon, which causes the balloon to shrink a little. This can be called contraction.
It has a role as a fertilizer. It is a potassium salt and an inorganic chloride.
It forms magnesium nitride
Your answer would be C) of the scientists and ideas that came before him. he's saying that without them he wouldn't be where he is at now. he used there knowledge and became who he is today