Which of the following is the definition of a hypothesis?
a. a testable scientific question
b. an interesting question for further research
c. an informed explanation that can be tested
d. a type of experiment that provides information

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Define a is a tiny pavket of energy