Which of these constitutes the greatest use of freshwater by humans?

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero