The carbon combines with the oxygen to form the carbon dioxide. a. compound; compound; element
b. element; compound; mixture
c. element; element; compound
d. compound; element; mixture

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.

what are the statements

12 is it do you think so