What is the largest recognized landmasses?

The continents are, from largest to smallest: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Explanation:

There ya go Hope this helped

heat or electricity in the atmosphere- c.

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.