During steps 2–5, the was the
independent variable and the
was the dependent variable. The other factors were
.

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor