The time it takes to run a mile depends on the person's running speed. What is the independent variable? time per mile

running speed

the person

doesn't have an independent variable
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Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Which hormone is used by both males and female?

Which organisms udergo photosynthesis