Pls pls pls quick (explanation too)
major scientific theories include the cell theory, the big bang theory, and the theory of plate tectonics. how are scientific theories formed?

a. through a single scientific discovery in which a scientist learns something new b. through the formation of several related hypotheses
c. through meetings between scientists in which they discuss several possible answers to a scientific question
d. through extensive testing and the accumulation of several lines of evidence

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Which statement is best described as a atom