Donna is leaming about the water cycle in school. She knows that runoff is water that flows over land surfaces, Runoff
Which of the following happens just before the runoff in the picture above?
O condensation
O evaporation
O precipitation
O respiration
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To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext