Answer:
Yes, a mixture can be made up of just elements and no compounds. The elements never experiance a chemical interaction and stay only in physical contact with each other.
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A.) reference group
"A reference group includes individuals or groups that influence our opinions, beliefs, attitudes and behaviors. They often serve as our role models and inspiration"(study.com).
<span>they have to be selective permeable to filter out the waste products but allow the nutrients and blood cells to pass through. </span>
Answer:
people separate mixtures in order to ger a specific substance that they need. 2. the other thing people separate mixtures to remove the unrequired components. 3.To get a pure substance
Explanation:
hope this helps probably don't because you asked this a week ago but have a good day :) ❤