Which global concern is indirectly responsible for all of the others? A) pollution B) deforestation C) resource depletion D) human overpopulation

What an electron might say when it moves to a higher energy level?

Match the organs to the functions they perform during digestion. passes food to esophagus

What is the correct measure of an astronomical unit?

Compared to 48.0 km/h what would be the fraction of energy the car would have if it were traveling 24 km/h

Balance Ba (NO3) 2 + Na2SO4 - - > BaSO4 + NaNO3

Suppose the gravitational force between two spheres is 100 N. If the distance between the spheres is halved, what is the new gravitational force between them?

Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.20 mph. They set off together on a route of length 5.00 miles.

Jill is getting ready to push little Frank in his swing. She pulls Frank back as high as she can and then releases the swing. What is the initial transfer of energy that accelerates the swing when she lets go?

Which phenomenon generates electric current? A black body radiation B ultraviolet catastrophe C emission spectra D photoelectric effect

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?