Which of the following is a primary reinforcer? A. A grade
B. Food
C. Gold star
D. Money
E. Trophy

A. Food

Explanation:

Primary reinforcers are biological Food, drink, and pleasure are the principal examples of primary reinforcers. But, most human reinforcers are secondary, or conditioned. Examples include money, grades in schools, and tokens.

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question- which is one way that muslims scholars contributed to the scientific recolution?

answer- well you see in the religion islam the religion muslims practice there was the prophet muahmmed peace be upon him who did good things such as sit in a sertian posotion to use the toilet which then the scientist of this generation later found that it was good for you there are many more things like this.

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answer; the government can clearly justify the restriction;