Match each type of quantity to its unit.

What type of energy does a bird have because of its altitude?

A positron is a particle with the same mass as an electron, but with positive charge. How would the electric force cause a positron and an electron in close proximity to behave?

Which of the following machines does more work?

Which subatomic particles can be found in an atomic nucleus? Choose all that apply.

Find the center-radius form of the equation of the circle. center (-9, -8), radius 

Which atmospheric gas contributes most to regulating the changes in Earth’s climate?

Solve the problem. A circle has a diameter with endpoints (-2, 1) and (10, 13). Find the coordinates of the center.

The spinal column consists of _______________ vertebrae.

Which of the following are 1of 12 pairs of cranial nerves?