Explanation:
During this time, unusual winds cause warm surface water from the equator to move east, toward Central and South America. El Niño can
Hazardous materials are grouped into classes identifying their similarities in composition and structure.
<h3>Why hazardous materials are grouped into classes?</h3>
The hazardous materials are grouped into classes in order to tell us about the severity of hazard and it is done on the basis of similarity in composition.
So we can conclude that hazardous materials are grouped into classes identifying their similarities in composition and structure.
Learn more about hazardous here: brainly.com/question/7310653
Answer: 6100 seconds
Explanation: 6.1 Kiloseconds = 6100 Seconds
Answer: Sodium
Explanation: The sodium has only one electron at the outer layer.
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