In a scientific experiment, how many independent variables should be tested at the same time? a none. Independent variables are not part of an experiment. b three or more - its important to use as many as needed. c two so that we make the experiment more productive. d one so that we can understand the if the variable really makes a change.
Answers: 1
Physics, 22.06.2019 10:00, amyaacrawford86
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Physics, 22.06.2019 19:00, deonnaturner68p7hz7y
The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.
Answers: 1
In a scientific experiment, how many independent variables should be tested at the same time? a none...
Mathematics, 09.09.2021 21:20
Biology, 09.09.2021 21:20
Biology, 09.09.2021 21:20
Mathematics, 09.09.2021 21:20
English, 09.09.2021 21:20
Mathematics, 09.09.2021 21:20