These options are kind of the same but anyways
yes you should make sure the scene is clear before you help.
Answer:
doctors will preform autopsy's to be able to evaluate how long a body has been dead and what the cause of death was
Explanation:
Answer and Explanation:
Number 20 is correct. When something using oxygen, it is aerobic.
For number 21, the answer would be anaerobic. When things doesn't have oxygen, it is anaerobic.
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