A soccer ball sits unmoving on a field. Which statement best explains why it remains at rest on the ground? The normal force is less than the gravitational force. The normal force is equal to the gravitational force. The normal force is greater than the gravitational force. The normal force and gravitational force act in the same direction.

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience. b. report the adverse drug experience to the irb only if there are several other occurrences. c. report the adverse drug experience as part of the continuing review report. d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

Which of the following powers is held only by the federal government? a. power to make a treaty b. power to set marriage laws c. power to create driving laws d. power to set the legal drinking age

It's a good idea to keep in your glove box. a. a pair of sunglasses b. a pair of socks c. matches d. thumb tacks