Answer:
12⁰
Explanation:
Angle = 78⁰
Complement = 90 - 78 = 12⁰
The answer should be true !
We drink water make food sleep etc.
In the united states, almost two-thirds of all liquid hazardous wastes are injected into deep disposal wells.
Hazardous waste is waste that has substantial or potential threats to public health or the environment. Hazardous waste is a type of dangerous goods.
They usually have one or more of the following hazardous traits: ignitability, reactivity, corrosivity, toxicity Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific sources, specific sources, or discarded chemical products.
Hazardous wastes may be found in different physical states such as gaseous, liquids, or solids.
A hazardous waste is a special type of waste because it cannot be disposed of by common means like other by-products of our everyday lives.
Depending on the physical state of the waste, treatment and solidification processes might be required.
Learn more about hazardous waste here:
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