Answer:
A fluorine atom has nine protons and nine electrons, so it is electrically neutral. If a fluorine atom gains an electron, it becomes a fluoride ion with an electric charge of -1.
Answer:
Global warming causes sea-level rise as oceans expand, and makes storm patterns more energetic. Consequently it will affect most of the world's coastlines through inundation and increased erosion.
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Answer:
The mass of a system does not change during a chemical reaction
Explanation:
Correct Answers
I believe the answer is C because the first two are mechanical hazards and C mentions plug which is electrical.
