Which of the following items could be dated by the use of radiocarbon dating?

A. 65 million year old meteorite

B. 15 million year old lava flow

C. 60,000 year old metamorphic rock

D. 60,000 year old mammoth bone

A bicycle rider travels 50.0 Km in 2.5 hours. What is the cyclist's average speed?

What can happen overnight to soil?

What is the mass and speed of a particles related to its kinitic energy and temputre

Some of the minerals found in rocks dissolve in water as it flows over the rocks. would these minerals dissolve more quickly a. at the bottom of a waterfall or in a still pond? why? b.

Which explains why conduction is unlikely when ice is placed on a freezer shelf? There is no direct contact. The ice is too cold. The shelf acts as an insulator. The ice and shelf are the same temperature.

How do mountins building and volcanos relate to plate motion at convergent boundaries

A 20kg box is dropped 13m. how much work is done

Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimum necessary. Find the magnitude of the frictional force between the person and the wall

A ball is being rolled by a normal push of 1000N. it is opposed by friction which has a force of 0.3kN and air resistance which has a force of 23N. Calculate the resultant force.

Consider a Young's two-slit experiment in which the wavelength of light is 37% smaller than the distance between the slits.