What are the 3 main branches of natural sciences

Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly

Orange juice has a lower or higher viscosity than chocolate syrup

How to tell if a molecule is polar or nonpolar with electronegativity