Which earthquake scale is based mostly on human opinion and perception of recent events? richter scale moment magnitude scale modified mercalli scale fujita scale saffir-simpson scale?

What will happen when two objects with opposite electric charges are moved closer together? A; the objects will attract each other with a greater force? B; the objects will attract each other with a smaller force?

Explain what it means when we say that Earth's oceans are in hydrostatic equilibrium. Now suppose you are a scuba diver. Would you expect the pressure to increase or decrease as you dive below the surface to a depth of 200 feet? Why?

Express the distance between jupiter and the sun in meters using powers of 10.

Describe a situation in which jad would be not be ideal.

A crest in a transverse wave corresponds to a in a longitudinal wave

A skier is traveling down a slope that is inclined 30° above the horizontal. The coefficient of kinetic friction between the skier and the slope is 0.10. Which of the following best describes the acceleration of the skier? A) It is zero.

What was the idea of the Continent Drift

What happens to an object when an unbalanced force acts on it?

What is the basis for rutherford's planetary model?

Choose the option that best answers the question. The hypotenuse of a right triangle is 16 ft longer than the length of the shorter leg. If the area of this triangle is exactly 120 ft2, what is the length of the hypotenuse in feet?