When the is decreased, there are less particles exposed,
are less likely, and therefore
the reaction rate i

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

hi my dude or dudette

elements make up everything, and they combine to make compounds.

the answer is c