Which of the following chemical equations is balanced?

Analyze what happens to the air pressure as you increase in the altitude. How might this affect athletes who compete at higher altitudes?

Why do gases diffuse faster than liquids?

Hydrogen-3 has a half-life of 12.35 years. What mass of hydrogen-3 will remain form a 100.0 MG initial sample after 5.0 years? A) 7 MG B) 24 MG C) 76 MG D) 18 MG

Which statement is true according to Newton's second law of motion? OA An object accelerates in the direction opposite to the direction of the force applied. ОВ.

Which of the following materials is an insulator against electric current? A. Aluminum foil B. A silver spoon C. A copper penny D. A glass pane

What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?

Heat transfer within a fluid takes place by a. convection currents. b. radiation. c. conduction. d. density. I think it's A

Compare and contrast how wind and glaciers abrade rock

An object of mass 10 kg is accelerated upward at 2 m/s squared. what force is required?

How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m horizontally with a force of 5.00 N? Express your answer in joules and kilocalories.