HELP!! Which statement best describes how the distance from a large river affects an area's climate in the summer?
Regions far from rivers experience less variation in air temperatures.
Regions far from rivers have land surfaces that remain cool during the entire season.
Regions near rivers have water surfaces that rapidly change in temperature from cold to hot.
Regions near rivers experience winds from the water that prevent extreme temperature changes.

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.

може ли да зареждате повече информация, моля

catya your not at all which answer i've seen you do this on another question!