Wastes

Question 1

What is Waste?

Answer 1

discarded or rejected material from human activities and other processes.

Question 2

What are 5 types of wastes?

Answer 2

Solid, Liquid, Gas, Hazardous, Special.

Question 3

Give the 2 types of solid waste.

Answer 3

Biodegradable, Nonbiodegradable.

Question 4

___ wastes is capable of being DECOMPOSED by microorganisms; ____ wastes cannot be degraded quickly through normal means.

Answer 4

Biodegradable, Non-biodegradable.

Question 5

These are wastes in liquid form. Can flow into environment.

Answer 5

Liquid wastes.

Question 6

What are Gas Wastes?

Answer 6

Gaseous material due to be discarded.

Question 7

What are 4 types of hazardous wastes?

Answer 7

Toxic, Flammable, Corrosive, Reactive.

Question 8

It can cause INJURY or DEATH when inhaled or ingested.

Answer 8

Toxic waste.

Question 9

It can BURN skin on contact and can ERODE away surface of materials.

Answer 9

Corrosive waste.

Question 10

What is a reactive waste?

Answer 10

It can react with other substances to produce TOXIC VAPOR or explosions.

Question 11

It can easily IGNITE and burn rapidly.

Answer 11

Flammable.

Question 12

What are special wastes?

Answer 12

Need unique regulatory requirements for disposal. Ex. Clinical wastes and asbestos.

Question 13

Wastes can be caused by ___ or originates from the _____ naturally.

Answer 13

humans, environment.

Question 14

2 causes of waste.

Answer 14

Natural, Anthropogenic.

Question 15

What is a natural waste?

Answer 15

Comes from the environment.

Question 16

Waste produced by humans.

Answer 16

Anthropogenic.

Question 17

___ and ___ development play a role in the amount of wastes generated by countries.

Answer 17

Demographics, Economic development.

Question 18

What are the 5 types of Anthropogenic waste?

Answer 18

Residential, Agricultural, Commercial, Mining, Industrial,

Question 19

What is a residential waste?

Answer 19

Wastes from residential areas. Commonly disposed of by the government. Referred to as the Municipal Solid Wastes (MSW).

Question 20

____ sources generate ORGANIC wastes such as plant and animal materials. Examples; fertilizers and pesticides.

Answer 20

Agricultural.

Question 21

Sources include supermarkets, restaurants, commercial buildings, hotels, auto mechanic workshops, etc.

Answer 21

Commercial.

Question 22

What is a mining waste?

Answer 22

Include the MINE TAILINGS which are the waste left after ore extraction from the rock, harmful gasses, and overburden materials.

Question 23

An example source of this is a power plant. It consists of materials like concrete, metals, plastic, solvents, and hazardous wastes such as paints and asbestos.

Answer 23

Industrial.

Question 24

Various regions across the globe generate varying amounts of wastes every year due to varying levels
of ____ and _____ __ _________.

Answer 24

income, degree of industrialization.

Question 25

Largest organization that contributed to the world's waste generation.

Answer 25

Organization for Economic Cooperation and Development (OECD).

Question 26

According to the 2013 data, where does most of the Philippines's waste come from?

Answer 26

Residential and household sources.

Question 27

Second largest source of wastes according to the 2013 Philippine data.

Answer 27

Commercial. 27.1%

Question 28

What are the 4 impacts of wastes?

Answer 28

Economic and Aesthetic Environmental Pollution (water, soil, radioactive, air, thermal) Health and Safety ps. remember HEEAP

Question 29

A decrease in tourists and investors is what kind of effect?

Answer 29

Economic and Environmental Impact. ps. Another example is Algal Bloom.

Question 30

What is the environmental impact of wastes?

Answer 30

Pollution introduces substances and factors that alter the natural environment.

Question 31

What are the four ENVIRONMENTAL impact of wastes?

Answer 31

soil - degradation of land resources for agriculture. water - contamination leads to bad water quality. air - greenhouse effect mining - many toxic waste are produced by mines.

Question 32

It is an UNWANTED and harmful chance in the environment's condition.

Answer 32

Pollution Impact.

Question 33

Refers to the contamination of water bodies. Harms aquatic creatures.

Answer 33

Water pollution.

Question 34

When ____ happens, soil is stripped of its fertility and nutrition.

Answer 34

Soil pollution.

Question 35

Soil pollution is caused by chemicals such as ___ and ____.

Answer 35

Pesticides, insecticides.

Question 36

What is a radioactive pollution?

Answer 36

Radioactive materials such as THORIUM, RADON, and RADIUM release energy in the environment. Power plants sometimes have radioactive wastes.

Question 37

Caused by poisonous gases and particulate matter in the air.

Answer 37

Air Pollution.

Question 38

Cause by a RISE in environmental TEMPERATURE.

Answer 38

Thermal Pollution.

Question 39

What impact states that excessive wastes can affect the environment, organisms, and human HEALTH.

Answer 39

Healthy and safety impact.

Question 40

Asbestos can cause what?

Answer 40

Lung disease and cancer.

Question 41

What are the ways to manage waste? (4)

Answer 41

Recycling, Incineration, Compositing, Landfill Waste Management.

Question 42

What are the types of recycling?

Answer 42

Paper, Plastic, Glass.

Question 43

Involves turning paper into a pulp; then mixture is broken down into fibers, and reused.

Answer 43

Recycling paper.

Question 44

Involves proper SORTING, SHREDDING, and MELTING.

Answer 44

Recycling plastics. ex. Nurdles(plastic pellets) are redesigned into new products.

Question 45

____ can be recycled over and over again.

Answer 45

Glass. ps. Glass is usually sorted by color, melted, and reshaped to new products.

Question 46

What is the Waste Hierarchy?

Answer 46

Diagram which can guide homes, schools, and communities in making decisions regarding effective waste reduction management.

Question 47

Involves combustion of waste to recover energy.

Answer 47

Incineration.

Question 48

What is compositing?

Answer 48

Involves natural process of recycling decomposed organic materials into rich fertile soils known as composts.

Question 49

Dumping of wastes in a designated area.

Answer 49

Landfill waste management.

Question 50

The republic act that aims to protect public health and environment through proper waste disposal and envi-friendly methods in utilizing resources. Most waste management practices are governed by this.

Answer 50

Republic Act 9003. Also known as Ecological Solid Waste Management Act of 2000.

Question 51

Recycling involves the ___ and ___ of materials.

Answer 51

recovery, reprocessing.