Answer:
B, false.
Explanation:
Any type of age can be present.
Hazardous Chemical” Simple Definition -- elements, chemical compounds, or. mixtures of elements and/or compounds which poses potential risk to safety or health. Regulatory Definition - means any chemical which. presents a physical hazard or a health hazard.
Laboratory is a place to information about the hazards that are associated with a compound.
Heirloom, Plants and organic foods.
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1). it either lowers or increases the activation energy. 2). it modifies the rate of the reaction
