Physics, 26.04.2021 22:40, jordand7514
Victoria grows the same bacteria in 20 petri dishes. She places 10 of the dishes in a container with a normal atmosphere. The remaining dishes she places in a container in which the oxygen level is double the normal level. She labels the first group "A" and the second group "B." Which statement best describes the groups?
A. Group A is the control group; Group B is the experimental group.
B. Group A is the experimental group; Group B is the control group.
C. Group A is the hypothesis; Group B is the theory.
D. Group A is the variable; Group B is the observation.
E. Group A is the theoretical group; Group B is the hypothetical group.
Answers: 2
Physics, 22.06.2019 01:30, bvolleyball9
Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
Answers: 2
Physics, 23.06.2019 03:00, SGARCIA25
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
Victoria grows the same bacteria in 20 petri dishes. She places 10 of the dishes in a container with...
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