The number of times that you perform any given exercise in your workout can best be described as: Sets

Intervals

Repetitions

None of the above

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.