Answer: A
Explanation: the change in seasons is caused by Earths axis tilt and revolution and position near the sun
<span>Out of the following given choices;</span>
a. they are used up in the reactions
b. they lower the overall energy of the reactions
c. they lower the activation energy of the reactions
d. they keep the temperature of the reactions constant
<span>The
answer is C. A catalyst provides an different route for a reaction, mostly
bypassing some transitional states hence lowering the reaction energy. The
catalyst is not consumed in the reaction. </span>
It would have to be wind and rain because its is actually better
Answer:
I belive it is Convection
Explanation:
It is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.