Biology, 25.07.2019 12:00 emmacox069
Megan wants to see if mice that are fed food a or b grow at a faster rate. she measures the mass of the mice on day 1, then divides them into two groups based on the type of food they will be given. she feeds each group the same amount of food at the same time each day. does megan have a control group in this experiment? no, there is no control group because she changes more than one variable. no, there is no control group because each group is treated under test conditions. yes, the mice that are fed food a are the control group, and those that are fed food b are the test group. yes, the mice that are fed food b are the control group, and those that are fed food a are the test group.
Answers: 1
Biology, 22.06.2019 00:00, natalievick03
Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.
Answers: 1
Megan wants to see if mice that are fed food a or b grow at a faster rate. she measures the mass of...
Chemistry, 05.12.2019 21:31