Agroup of students obtained the following data while trying to determine the effect of exercise on pulse rate.

what is the independent variable?

question 5 options:

a. exercise

b. number of students

c. pulse rate

d. beats per minute

The answer is A

Explanation: They can pick and chose what kind of exercise there is as well as change it.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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