Tides are the rise and fall of surface levels of Earth's ocean water caused by the gravitational effects of which two celestial objects? A)stars and planets
B)comets and meteors
C)earthquakes and volcanoes
D)moon and sun

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

State two physical properties of ionic compound

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false