Pumice can have large crystals
Explanation:
A prominent difference between active and passive immunity is that active immunity is developed due to the production of antibodies in one's own body, while passive immunity is developed by antibodies that are produced outside and then introduced into the body.
No caffein,there is a factor that must not be changed when conducting an experiment,known as controlled variable
Answer:
The best to adapted because they already know how to survive through the toughest situations instead of being fit which leads them to nowhere but death
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Explanation:
