Answer:
objective observations
Explanation:
These observations are based on specific events that have already happened and can be verified by others as true or false.
Pretty sure I'm wrong
Explanation:
it is made up of more than one simple machine...think compound sentences are multiple simple sentences together so compound machines are multiple simple machines together
Fish have <span>Eukaryotic cells
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A vaccine works by stimulating the immune system to produce antibodies without actually infecting someone with that disease. They trigger the immune system to produce its own antibodies as though the body has been infected with the disease. But a vaccine will not make someone immune to a disease, it will simply help the body be able fight the infection better.