It is recommended to work all major muscle groups at least twice a week for optimal results.
It's to hold an extended position so that would be false.
Answer:
It has allowed researchers to study the brain more efficiently than what they did before. and it also helped them by the researchers being able to find cures for diseases.
Explanation:
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I found this in another brainly question "brainly.com/question/5956798"</h3>
B. She uses cigarettes as a life skill for stress.
