Jamar has decided that he is going to train for a marathon. He knows that it will take a lot of training, and that he will need to build his muscles. What part of the muscle does he need to build?
options:
A.
oxygen levels
B.
fast twitch fiber
C.
slow twitch fibers
D.
large muscle mass
Answers: 1
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Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
Answers: 3
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