Periodically adding, changing and deleting file records is called file updating. The correct answer is A.
The main idea of this article is that theme parks are conducting scientific research that is benefiting the community. Hope this helps!
Answer:
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Explanation:
Answer
Dispose of absorbents as hazardous waste in its own hazardous waste container
Explanation
Hazardous waste is a waste that has chemical composition and properties which makes it capable of causing illness, death or harm to humans and other life forms when released to the environment without proper management. The characteristics of such wastes include: toxic, ecotoxic, infectious substance, poisonous, explosive and flammability. Hazardous wastes can be destroyed by incineration, chemical process, and temporary on-site waste storage facilities such as waste piles and lagoons/ponds