4.two different cars are traveling
at 60 mph. at a certain point,
both cars slam on the brakes.
the distance it takes for each car
to stop is then measured.
what’s the independent and dependent variable in this scenario?

The answer is explained below.

Explanation:

An independent variable is the one that is changed or controlled in an experiment and they test their dependent variable, which refers to what is affected during the experiments.

So the independent variable would be the whole scenario.

On the other hand, the dependent variable would the speed and how it affects the cars.

The INDEPENDENT variable is the type of car, whereas the DEPENDENT variable is the time it took for the cars to stop.

In conclusion, the INDEPENDENT variable is the type of car, whereas the DEPENDENT variable is the time it took for the cars to stop.

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the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation: