Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group with calculators, the other group computed without calculators. What is the independent variable, the dependent variable, the control variable, and constant variable?

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

and the person below goggled it.

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bcde is the incorrect answer it is a

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.