The table below describes the properties of several stars. Radius Betelgeusered3,500 K6.5 x 108 km Sunwhite-yellow5,778 K7.0 x 105 km Sirius Ablue9,940 K1.2 x 106 km Polluxorange4,865 K5.5 x 106 km Which of the stars listed above is most likely considered a supergiant? A. Pollux B. Sun C. Sirius A D. Betelgeuse

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.

im not exactly sure but i think its b!

if you're asking what comes out, it's steam.