The answer is B, sodium is an element.
Answer:
The general equation for an exothermic reaction is: Reactants → Products + Energy.
Basically all of the elements found in Group I of the periodic table also have this property. The ability to easily give up a single valence electron.
<em>PLATO ANSWERS: </em>
<u>A.</u> Which source of electricity generation caused the most emissions?
<u>B.</u> What types of industries are responsible for greenhouse gas emissions?
<u>C.</u> What caused the dip in greenhouse gas emissions in transportation after 2007?
<em>Hope I helped some, Have a great day!</em>
All solutions are mixtures of two or more substances, but unless the mixture has a homogeneous distribution of solutes in the solvent, then the mixture is not a solution. Therefore, all mixtures are not solutions.
