What is the moho?

a. the boundary between the outer and inner core

b. the boundary between the crust and the mantle

c. the material of which the mantle is composed

d. an area of the mantle that will not transmit seismic waves?

A specific example of how light year is used in space exploration. Pick one object in space (the nearest star, the nearest galaxy, the edge of the universe, etc.

Can an object contain heat? Why or why not?

The proton from the decay of the neutron is moving at 0.75 c. An observer on the proton measures the radius of the electron as 10 fermi. A Fermi is 10-15 m. What is the radius of the electron measured by someone on the electron?

If you run 12m/s for 15 minutes, how far will you go explain?

View the AstroTour Continental Drift by clicking on the link, and then select true statements from those listed below. Choose one or more: A. Americus, Europidus, and Africanus are names of earlier versions of the continents. B.

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines