<span>a) movement of heat through space </span>
Answer:
D
Explanation:
All houses can control their own electricity in their home. While your fan might be on another house's light does not have to be on.
It is also a compound<span> because the atoms that make water are </span>not<span> all the same - some are oxygen and some are hydrogen. Oxygen in the atmosphere is a molecule because it is made from two atoms of oxygen. It is </span>not a compound<span> because it is made from atoms of only one element - oxygen.</span>
Answer:
Reactant concentration. Increasing the concentration of one or more reactants will often increase the rate of reaction. ...
Physical state of the reactants and surface area. ...
Temperature. ...
Presence of a catalyst.
Explanation:
Five factors typically affecting the rates of chemical reactions will be explored in this section: the chemical nature of the reacting substances, the state of subdivision (one large lump versus many small particles) of the reactants, the temperature of the reactants, the concentration of the reactants
