Answer:
it's an indicator that a chemical reaction occurred.
Answer:
no
Explanation:
Water is made up of oxygen and hydrogen. both of those are on the periodic table. water is not an element though
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Answer:
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements. The prefix di- is of Greek origin, meaning "two
Explanation:
Answer:
Tornado warnings indicate imminent danger to life and property.
Explanation:
A tornado has been in sight or will come.
