Asubstance that accelerates the rate of a chemical reaction is called a(an)
a. catalyst.
c. molecule.
b. lipid.
d. element.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

Which composition of water moves to begin a deepwater current?