Grade 7 Reviewer

Unwanted and unusable materials and is regarded as a substance which is of no use.

Wastes in solid forms, domestic, commercial and industrial wastes.

Which of the following is not advisable in handling cleaning agents?

• Combine the bleach and liquid detergent to make it more effective.

• Use the right chemical for the right job.

• Always read the label before using the cleaning agent.

• Follow the instructions specified on the label.

The following is an example of non-biodegradable waste except for one.

• plastic

• newspaper

• can

• compost

Solid wastes that include household garbage, trash, construction & demolition debris, sanitation residues, packaging materials, trade refuges, etc. are managed by any municipality.

• Agricultural waste

• Hazardous waste

• Bio-medical waste

• Municipal waste

Solid or liquid wastes including containers, intermediate or end products generated during diagnosis, treatment & research activities of medical sciences.

• Industrial waste

• Municipal waste

• E-waste

• Bio-medical waste

It refers to the systematic administration of activities that provide for segregation, storage, transfer, processing, treatment, and disposal of solid waste. It is also involves other waste management activities that do not harm the environment.

It refers to postconsumer material that has been recycled and returned to the economy.

It refers to household hazardous wastes such as paints, thinners, household batteries, lead-acid batteries, spray canisters, and the like.

• Solid waste

• Special waste

• E-waste

• Industrial waste

It refers to a site where solid waste is finally discharged and deposited.