D. One teacher to learn one subject are or activity while the other teacher teaches a separate subject area or activity
<span>The spongy material in the center of hollow bones is bone marrow.
- true
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Answer:
Someone with a high RANK uses more energy to carry out basic physiological processes.
Explanation:
I say the missing word is RANK because obviously if someone who is always on top could learn to establish to something they've never done before. If you don't understand the explanation of my answer. Click the heart and disregard the message. I also suggest you to check with other answers as well if your'e not comfortable with mine. :)