In the experiment, the independent variable is the drug amount. Experiment group is given certain amount of drug, control group is not given the drug. The dependent variable is the body fat. I think you means the control is the living environment including food and water.
Answer:
Toxic chemicals is a major cause of water pollution. In most cases, the toxic chemicals came from the residual from production process after companies done making their product
Explanation:
If you use a punnet sq. and cross the parents you see that all the children should be affected. by this thing represented by black.
Heat creates energy... the atoms move faster and faster, which changes the state of matter.
for example:
if a solid is heated, it turns to a liquid
if a liquid is heated, it turns to a gas
hope this helps?
A) 5
Half-life is the time it will take for a quantity to reduce to half its initial value. In this case, uranium will undergo radioactive decay, and after 700 mil years, 5 of the 10 uranium atoms will have decayed.
