Answer:
Unidentified flying object or fly saucer.
Explanation:
An electron has a negative charge of one
An neutron has no charge (hence, neutral)
An proton has a positive charge of one
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Answer:
b. independent/manipulated variable
Explanation:
Independent/manipulated variable - refers to the variable that is changed by the scientist or an experimenter. Only one variable that is independent is required to ensure a fair test in an excellent experiment. As the independent variable is being changed by an experimenter or scientist, data is being recorded simultaneously as they are collected.
Answer:
it is pathogens i think its that
Explanation:
