Which fossil fuel creates the least amount of pollution when it is burned? a. bituminous coal b. petroleum c. natural gas d. anthracite

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Is powdered sports drink ionic or covalent ? 10pts !