Why do scientists use controlled experiments?

a.)to ensure that the results of their experiments are clear

b.)to ensure that hypotheses are proven correct

c.)to ensure that the responding variable does not change

d.)to ensure that the data collected is related to one changed condition

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas.what is your cost?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages