What part of the human body does methylmercury affect?
- The bones
- The heart
- The nervous system
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What does the term "sessile" mean?
- Cast of an animal or plant preserved in sedimentary rock
- Organism permanently attached to a base
- Introduction of plants to barren land
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What are the Lower Explosive Limit (LEL) and Upper Explosive Limit (UEL)
of ammonia?
- LEL: 0% UEL: 15,5%
- LEL: 15.5% UEL: 26.2%
- LEL: 26.2% UEL: 50%
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Which substances can react between each other and lead to violent explosions?
- Polymers
- Monomers
- Pentagons
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What do the initials "SD" stand for according to the SEBC code?
- Substance/Derivative
- Sinker/Dissolver
- Soluble/Dense
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