Environmental

Question 1

Deals with the natural world. It is concerned with the phenomena and objects of nature and the physical world.

Answer 1

Natural Science

Question 2

formed in natural sciences must be verified scientifically to be regarded as ascientific theory.

Answer 2

Hypothesis

Question 3

Natural science includes fields such:

Answer 3

Biology
Chemistry
Physics
Earth science
Astronomy

Question 4

systematized knowledge derived from and tested by recognition and formulation of a problem, collection of data through observation, and experimentation.

Answer 4

science

Question 5

thebranch of sciencedevoted to the study ofsocietiesand therelationshipsamongindividualswithin those societies.

Answer 5

Social science

Question 6

Social science includes fields such as

Answer 6

Economics
political science
Law
Geography
education
History
Linguistics
anthropology

Question 7

the disciplines of biology, chemistry, and physics (and their subdisciplines of microbiology, organic chemistry, nuclear physics, etc.) are focused on a particular aspect of natural science, ______________ in its broadest sense encompasses all the fields of natural science.

Answer 7

Environmental science

Question 8

a profession that applies mathematics and science to utilize the properties of matter and sources of energy in the solution of problems of environmental sanitation.

Answer 8

Environmental engineering

Question 9

Primary types of pollutions

Answer 9

Water Pollution
Air Pollution
Noise Pollution
Land

Question 10

is development that meets the needs of the present without compromising the ability of future generations to meet their own needs”.

Answer 10

Sustainable development (Sustainability)

Question 11

the contamination ofwater bodies, usually as a result of human activities.

Answer 11

Water Pollution

Question 12

4 Main Categories of Water Pollutants

Answer 12

Pathogens
Inorganic Material
Organic Material
Macroscopic Pollutants

Question 13

can be bacteria, protozoa or viruses. Bacteria, for example, are commonly found in water;

Answer 13

Pathogens

Question 14

in particular heavy metals like arsenic, mercury, copper, chromium, zinc and barium — though harmless in very small concentrations, act as pollutants when they end up concentrated in water.

Contains no carbon

Answer 14

Inorganic Materials

Question 15

These materials contain molecules that have carbon in their makeup. One of the most frequently detected volatile organic chemicals is methyl tert-butyl ether (MTBE).

Answer 15

Organic Material

Question 16

are large, visible items in waterways or bodies of water. The first common pollutant is trash: especially plastic waste.

Answer 16

Macroscopic Pollutants

Question 17

MAIN CAUSES OF WATER POLLUTION

Answer 17

Sometimes caused by nature (Mercury filter on earth’s crust)

Most likely due to human activites

Question 18

Rising global temperaturescaused by CO2emissions heat the water,reducing its oxygen content.

Answer 18

Global Warming or Maritime Traffic

Question 19

Fellingforestscanexhaust water resourcesand generate organic residue which becomes a breeding ground for harmful bacteria.

Answer 19

Deforestration

Question 20

Chemical dumping from these sectors is one of the main causes ofeutrophication of water.

Answer 20

Industry, agriculture and livestock farminng

Question 21

The UN says that more than80% of the world’s sewagefinds its way into seas and rivers untreated.

Answer 21

Rubbish and faecal water dumping

Question 22

The transportation and storage of oil and its derivatives is subject toleakagethat pollutes our water resources.

Answer 22

Fuel spillage

Question 23

the presence of substances in theatmospherethat are harmful to thehealthofhumansand otherliving beings, or cause damage to theclimateor to materials.

Answer 23

Air Pollution

Question 24

5 Major Causes of Air Pollution

Answer 24

Industry
Vehicle Emissions
Household and Farming Chemicals
Deforestation
Smoking

Question 25

are a major contributor to air pollution. Industrial processes discharge pollutants such as nitrous oxide and hydrofluorocarbons into the air. Petroleum refineries also liberate lots of hydrocarbons into the air.

Answer 25

Industry

Question 26

livestock rearing and landfills also add to atmospheric methane concentrations

Answer 26

Agricultural practices

Question 27

are another source of fossil fuel emissions which invariably leads to air pollution. Cars, heavy duty trucks, shipping vessels, trains, and airplanes all burn lots of fossil fuels to work

Answer 27

Vehicle Emissions

Question 28

affects the atmosphere in more than a few ways. Forests act as sponges for carbon dioxide through a process called carbon sequestration.

Answer 28

Deforestation

Question 29

True or False? there is no globally accepted composite index of water quality,

Answer 29

True

Question 30

Water Quality Parameters

Answer 30

Selected parameters must have standard limit prescribed by WHO/BIS/ICM

Question 31

WQI developed by

Answer 31

Brown 1972

Question 32

In 2012, the United Nations Conference on Sustainable Development met to discuss and develop a set of goals to work toward; 

Answer 32

Sustainable Development = economy + environment + social community

Question 33

PDP

Answer 33

Philippine Development Plane (2017 -2022)

Question 34

 deposition of solid or liquid waste materials on land or underground in a manner that can contaminate the soil and groundwater, threaten public health, and cause unsightly conditions and nuisances.

Answer 34

Land Pollution

Question 35

Major types and causes of land pollution

Answer 35

Agricultural Land Pollution Non-biodegradable Solid Waste Industrial Waste Deforestation Mining

Question 36

We use a lot of fertilizers as well as pesticides, fungicides, and insecticides on our agricultural land in a bid to maximize yields. These agricultural inputs are all loaded with chemicals. The chemicals are effective in killing the pests and increasing production. But they also strip the soil of its minerals and other valuable compounds.

Answer 36

Agricultural Land Pollution

Question 37

There is a lot of waste that is generated in our homes, schools, hospitals, shops, and even workplaces. Most of this waste is non-biodegradable. It can take up to millions of years to decompose completely. Includes metals, glass, and plastic products

Answer 37

Non-biodegradable Solid Waste

Question 38

are normally generated from agricultural produce processors, oil refineries, pharmaceuticals, construction sites, and energy producing power plants.

Answer 38

Industrial Waste

Question 39

also occur when we cut down trees to clear land for agriculture, construction, mining or other economic activities.

Answer 39

Land degradation and pollution

Question 40

leads to the total loss of the land’s value. Elimination of natural vegetation disrupts the ecosystem, adversely affecting various life forms.

Answer 40

Deforestation

Question 41

extraction of materials and ores from under the Earth’s surface also contributes to land pollution. These include the extraction of metals, oil, coal, stones, stand, and mineral ores such as gold.

Answer 41

Mining

Question 42

Solutions for Land Pollution

Answer 42

Reduce, Reuse, Recycle, Proper Waste Disposal

Question 43

also known as environmental noise or sound pollution

Answer 43

Noise Pollution

Question 44

the propagation of noise with ranging impacts on the activity of human or animal life, most of them harmful to a degree.

Answer 44

Noise Pollution

Question 45

refers to noise that is produced continuously by machinery that does not stop working

Answer 45

Continuous Noise

Question 46

caused by the running of industrial machinery and appliances which can produce continuous or impulsive noise.

Answer 46

Industrial Noise

Question 47

refers to the quick rise or drop in the noise volume.  Can be a form of MRT train passing through occasionally

Answer 47

Intermittent Noise

Question 48

is characterised by its sudden and fast nature. Pile drivers used by construction

Answer 48

Impulsive noise

Question 49

refers to the background noise that we hear in our surroundings.

Answer 49

Low frequency noise

Question 50

noise (500 Hertz and lower) from various sources is an increasingly common form of environmental noise pollution in urban environments and it can also be quite a challenging problem to treat effectively

Answer 50

Low Frequency Noise

Question 51

CAUSES OF NOISE POLLUTION

Answer 51

Traffic Noise Air Traffic Noise Construction Noise Catering and Night life Animals