The answer is A. you sre correct!
<span>The smallest unit of a compound is called a molecule. The correct option among all the options that are given in the question is the second option or the penultimate option or option "B". The other choices are incorrrect and can be negated. I hope that this is the answer that has actually come to your desired help.</span>
Heat is energy, that can be transferred to another item, which is “less hot”.
The movement of the Earth's plates is called Plate Tectonics. Hope this helps! :D