What is the total number of atoms in the formula below? NH3 one two three four

Which country uses the least amount of energy per person? select one: a. argentina b. japan c. united states d. canada

How do you describe the motion of an object?

Constructive interference definition physics

Which is the transfer of thermal energy in matter with no overall transfer of matter? convection radiation conduction insulation

All matter we encounter in everyday life exists in one of three physical formss True or False.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.