According to the law of increasing opportunity cost, as a society more and more of a certain good, further production involve ever-greater opportunity costs, so that producing the good is associated with greater and greater

produces  

increases

trade-offs

Explanation:

The law of increasing opportunity cost states that when firms decide to make additional units of a certain product by reallocating resources, they do that at a higher opportunity cost than the previous production. The major traceable reason for this is inefficiency in resource reallocation.

This increase in opportunity cost is associated with increasing and increasing trade-off.

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.