Which two factors determine the force of gravity between two objects?

A
Mass of both objects and the distance between them

B
Density of both objects and the speed that they are moving

C
Distance between the objects and the density of both objects

D
Mass of both objects and the speed at which they are moving

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted