Answer:
The 2nd one is the one
Explanation:
and it isn't writen out all the way
Which device is designed to produce mechanical energy?
Well, mechanical energy is the sum of potential and kinetic energy. Kinetic energy is a unit of energy in which is the reason why an object does movement, while potential energy is another unit of energy in which is the reason why an object doesn't move, or stops. While you can stop a fan or a lamp, it isn't automatic. It's manually. So the answer is (4) an oven because mechanical energy happens automatically, not manually, or for a greater reason.
It’s c I just did this so yea c
<span>Answer:
The rate equation for a nucleophilic substitution reaction of a tertiary reagent.</span>