What happens as a river ages? a. its floodplain shrinks. b. it carries more water. c. it gets faster. d. its stream gradient increases.

The force of attraction between any two onjects is known as

Which of the following is not a fundamental quantity? A. time B. weight C. mass D. length E. electric charge

What color bends the most

Which describes how sliding friction affects pushing a cereal box across a tabletop? It acts in the direction of motion. It acts in the direction opposite of motion. It is usually greater than static friction. It equals the weight of the box.

A 5.45-g combustible sample is burned in a calorimeter. the heat generated changes the temperature of 555 g of water from 20.5°c to 39.5°c. how much energy is released by the burning? the specific heat of water is 4.18 j / (°c * g).

Which metal ion has the "coolest" flame color? What color is it?

Which of the following statements accurately describes a series circuit?

All of the planets stay near the ecliptic as they move on the Celestial Sphere

What replaces a cold current that sinks to the ocean floor?

When warm water vapor is blown over land in the water cycle what happens?