Lifting a piano into a truck is an example of doing negative work. A. True B. False

Describe the function of the endomembrane system? what organelles are involved?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums