Answer:
Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.
Explanation:
The answer is b since it is the most red and if you look at a compass, it is southwest
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Answer: <u>Air would rise and move towards the poles </u>hope this helps you out :) Please let me know if you have any more questions
Common colds are caused by viruses and antibiotics only work in bacteria. Antibiotics work by targeting the different replication processes and functional characteristics of bacteria. Virus on the other hand are only active once they have invaded something to use as a host. Therefore it is more difficult to target the mechanisms of viruses because they are usually dormant and have different organelles than of bacteria.
Amoeba sisters sex linked traits are limited && have little bits of sex
