Insert All Necessary Commas or Semicolons in the Following Sentences

question 231

Short Answer

Insert all necessary commas or semicolons in the following sentences. Many theories about the purpose of dreams have been proposed but scientists don't agree on which one is correct. ​

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Definitions:

Face-to-face

Direct interaction or communication between people in the same physical space.

Null Hypothesis

A default hypothesis that there is no significant effect or difference for a particular population or phenomenon.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, denoted by alpha.

Face-to-face

A form of communication or interaction that takes place in person as opposed to through electronic means.