(please answer i cant :() A classmate argues that fossil fuels are the best energy resources in terms of efficiency, so the government should not bother developing alternative energy. How can the data in Figure 2 be used to evaluate your classmate’s argument?

answer

the ions in solute supperate from eachouthere

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.