What is a medium?

a. a tool used to convey ideas or information
b. a set of tools used together to communicate ideas
c. tools that are independently connected
d. a tool used to measure important information

Mediums are tools used to convey ideas or information. I think. Brainliest Answer please.

The correct answer is option A.

Explanation:

Medium is defined as a thing by which or through which some thing is done to convey ideas and, to communicate clearly or to connect with others.

For example :  We communicate through speaking and writings, Here  both writing and speaking are the mediums.

Form the given options the correct definition with an agreement with above description of word'medium is option A.

i dont know the answe

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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