What do we call the variable manipulated or tested by the investigator? 1. the independent variable

2. the constant variable

3. in inference variable

4. the dependent variable

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

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 description provides the best objective summary of the article in the passage?