He is incorrect because a catalyst is a substance that speeds up a chemical reaction so if there is no reaction to begin with a catalyst will not due anything.
Answer:
Explanation:
When it gets hot the photosynthesis will rise,Because The more sun the more growth
Photosynthesis uses carbon and h20 as the reactants
Hihi!
Embryonic stem cells <span>are capable of only limited differentiation! They</span><span> can become all cell types of the body because they are </span>pluripotent<span>. Also a</span>dult stem cells<span> are thought to be limited to differentiating into different cell types of their </span>tissue<span> of origin.</span>
I hope I helped!
-Jailbaitasmr
True because thermal energy is mostly always used for a machine