Why is the element carbon-14 important for paleontologist?

If humans cannot see ultraviolet waves, how can ultraviolet light be used to gather evidence of a crime? Ultraviolet light detects the presence of radioactive substances. Ultraviolet light shows cold areas as blue and warm areas as red.

Fresh milk has several parts that a farmer can seperate and sell a farmer removes the top layer of fat from fresh milk why is the layer of fat on the top

Which is not a high-level radioactive waste?

If you were to take the universe's temperature, what would the reading be? a. 3 k b. 50 k c. 79 k d. 312 k

According to the "Future Potential Source #2: Wind" article, what natural resource does wind power free up

What was Operation Overlord? a. the code name for the Allied invasion of Normandy b. the code name for the Axis invasion of France c. the code name for the project to build atomic bomb d.

A 2.44 x 10^3 kg car requires 5.3 kJ of work to move from rest to some final speed. During this time, the car moves 27.4 m. Neglecting friction, find a) the final speed b) the net horizontal force exerted on the car

Keiko is solving a math problem. Which part of her brain is she using to add and subtract?

How much energy is required to increase the temperature of 36.0 g of H2O from - 20 °C to 50 °C, keeping in mind the following: Vice ≈ 2.00 J/g*C Liquid water ≈ 4.00 J/g*C ΔHfusion ≈ 6000 J/mol

lace each example of a collision in correct category. bumper cars colliding man jumping in a cab mud sticking to car hat being sat on door being slammed ball bouncing elastic inelastic perfectly inelastic