Answer:
Muscles work in pairs to move a bone.
Explanation:
Skeletal muscles only PULL in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.
Saying no when poeple offer it to you
Answer:
Your brain will fog, making it difficult to concentrate and make decisions. You'll start to feel down, and may fall asleep during the day. ... If it continues, lack of sleep can affect your overall health and make you prone to serious medical conditions, such as obesity, heart disease, high blood pressure and diabetes
Answer:
A. more advanced degree usually mean a higher salary
