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Describe two challenges faced by astronomers in identifying potential collisions between Earth and Earth-crossing asteroids and meteorites.
Bactericidal
Capable of killing some microorganisms (bacteria).
Disinfectant
An agent that destroys all microorganisms.
Hepatitis A
A highly contagious liver infection caused by the hepatitis A virus, typically transmitted through ingestion of contaminated food or water.
Alcohol-Based
Refers to products, particularly sanitizers or disinfectants, that contain a significant percentage of alcohol to kill bacteria and viruses.
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