Who submits the federal budget every year?
a. the senate
b. the judiciary
c. the president
d. the house of representatives

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

The flow of electrons from one atom to another is called

Is the vertical component of velocity ever zero?