Which of the following is true about office friendships?
a. workplace cliques can cause horizontal disharmony.
b. office friendships are based mainly on ethnic similarities.
c. it's impossible to develop vertical friendships.
d. they lead to a workplace in which socializing rarely occurs.

if you mean hydrogen and oxygen then water is the product

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.

there are two significant figures.