He used a magnet to find that the negatively charged particles to be smaller then the atom.
He discovered electrons.
35 b.
37 h
39 i
41 d
hope that helps
It is a trial aimed to reduce bias during an experiment. An example would be a sugar pill, something that has no real effect so that the results of the true trial can accurately be compared. Its like a control group.
Answer:
D
Explanation:
The pineal gland regulates salt and water levels.
Acid A, assuming the two acids have the same pH. The M stands for molarity which is how concentrated a substance is (basically the higher the molarity the more concentrated the acid is). However, pH refers to how acidic a substance is. If the two acids have different levels of acidity, the answer may be different.
