money invested in small firms that have the potential to become very successful is called

Venture Capital

Explanation:

Venture capital refers to money invested in projects that have both substantial risk and a lot possibilities of being a great success. Usually firms that receive venture capital are small startups that need money to expand their operations. Most of the investments general fail but some yield huge benefits, e.g. Google, Instagram, FB, etc.

explanation:

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.