Which of the following is true about a scientific hypothesis?
a. the hypothesis must form a scientific theory.
b. the hypothesis must be testable.
c. the hypothesis must predict the outcome of the experiment.
d. the hypothesis must follow the scientific method.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?