introduction to environmental science

Question 1

what are the major environmental problems

Answer 1

resource depletion
pollution
loss of biodiversity

Question 2

what is the difference between renewable resources and non-renewable resources (give examples)

Answer 2

renewable resources :
can be replenished within a human lifetime (solar energy, wind energy, biofuels, trees)
nonrenewable resources: replenished slowly (coal, oil, minerals)

Question 3

a degradation or an undesired change in air, water, or soil that affects the health of living things

Answer 3

pollution

Question 4

what is the difference between biodegradable pollution and nondegradable pollution

Answer 4

biodegradable pollution:
will break down naturally over time
nonbiodegradable pollution:
does not break down

Question 5

it is the number of species on the earth is unknown but estimates to be in the tens of millions

Answer 5

loss of biodiversity

Question 6

define biodiversity

Answer 6

the no. of different species present in one specific ecosystem

Question 7

it is the study of our planet’s natural systems and how humans and the environment affect one another

Answer 7

environmental science

Question 8

the environment includes all ____and ____ things with
which _____ interact.

Answer 8

living and non-living
organisms

Question 9

what is the first step for solving environmental problems

Answer 9

understanding the interactions between the humans and the environment

Question 10

it is a great deal of resources is needed to support the human population

Answer 10

resources depletion

Question 11

issues made by human activities that affect the environment, causing disaster

Answer 11

global environmental challenges

Question 12

what are some global environmental challenges

Answer 12

global warming
earthquakes
air quality
fresh water
deforestation
demography
biodiversity law
energy
volcanoes
epidemic disease

Question 13

define extinction

Answer 13

complete loss of species, is a natural event that can be accelerated by human actions

Question 14

Intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.

Answer 14

science

Question 15

the environment includes ____, ____, ____

Answer 15

biophysical
socio-cultural
politico-economic

Question 16

it is a field of study that deals with the application of physical concepts and techniques to biological issue

Answer 16

biophysical

Question 17

it is a broad range of social and cultural factors that affect attitudes, emotions, actions and eventually health results

Answer 17

socio-cultural

Question 18

it is a field of study in political science and economics that examines how political system and control economic system

Answer 18

politico-economic

Question 19

environmental sci is the process of ______ and ______ to develop skills and attitudes necessary to understand and appreciate the interrelatedness among man, his culture and biophysical surrounding

Answer 19

recognizing values
classifying concepts

Question 20

envi sci is the _____ of how humanity interacts with _____ and the ____

Answer 20

interdisciplinary study
other organisms
non-living physical environment

Question 21

what are the 2 main subgroupings under the interdisciplinary study of other organisms and non living physical environment

Answer 21

the life science (such as biology)
the environment sci (such as geology)

Question 22

envi sci refers to the awareness of the ____ and _____ envi and perceives its relevance for real life situations. as well as identify problems and _____ of the envi to be improved in view of sustainable development

Answer 22

physical
cultural
environmental imbalances

Question 23

environmental sci entails practice in ____ and ____ of code behaviour about problems and issues concerning environmental quality

Answer 23

decision making
self-formulation

Question 24

what are the aim of environmental sci

Answer 24

Attitude
Skill
Awareness
Participation
Knowledge
Evaluate

Question 25

what are the focus of environmental sci

Answer 25

Identify Understand Solve problems

Question 26

true or false: earth has limited resources to support human societies

Answer 26

true

Question 27

true or false: environmental problems are complex. they always have simple solution

Answer 27

false - they SELDOM have simple solutions

Question 28

what are the importance of environmental science

Answer 28

realize the environmental problems are global understand the impacts of development on the environment discover sustainable ways of living efficient utilization of natural resources understand behaviour of organism under natural conditions shed light on contemporary concepts such as how to conserve biodiversity understand the interrelationship btwn organisms in popu and C learn & creat awareness abt environmental problems at local, national and international lvl

Question 29

identify the science scenarios involved with environmental science: a community decides to use coal for electricity, as it is the cheapest source available

Answer 29

economics

Question 30

identify the science scenarios involved with environmental science: the coal must be mined from under the soil

Answer 30

geology

Question 31

identify the science scenarios involved with environmental science: the coal must be transported to the population center by road or rail

Answer 31

engineering

Question 32

identify the science scenarios involved with environmental science: when it is burned at a power plant, air pollution is released. some of the pollution is converted to acid in the atmosphere

Answer 32

chemistry

Question 33

identify the science scenarios involved with environmental science: this falls as acid rain somewhere downwind

Answer 33

meteorology

Question 34

identify the science scenarios involved with environmental science: this acid stresses plants by affecting their nutrient absorption

Answer 34

ecology

Question 35

identify the science scenarios involved with environmental science: laws are passed requiring the plant to install pollution scrubbers

Answer 35

politics

Question 36

define sustainability

Answer 36

a sustainable system that can continue indefinitely without depleting any of the material or energy required to keep it going

Question 37

ample forest were systematically cut for agriculture land, structural materials and to move large stone monuments. deforestation led to ____ then led to ____ and ____ of fish and shellfish populations

Answer 37

soil erosion water quality degradation and elimination

Question 38

it is the amount of biologically productive land and water needed to supply the people in a particular country or area with resources and to absorb and recycle the wastes and pollution produced by such resource use.

Answer 38

ecological footprint

Question 39

what is the percentage of pollution due to vehicular emissions

Answer 39

80%

Question 40

how many filipinos are exposed to air pollution, with health cost & loss of income of ____

Answer 40

per WB, 18Million 7.6 billion pesos/ year

Question 41

what did the philippines do to conserve and protect the natural forest

Answer 41

total log ban (prohibit the cutting/ removal of trees) create a national anti-illegal logging task force (reduce illegal deforestation)

Question 42

BOD or demand for oxygen in water, for ____ major river in ____ at ____ mg/L, 4x the standard at ____ mg/L

Answer 42

biochemical oxygen demand 19 2010 27 7

Question 43

study of organisms and the environment interacting with one another

Answer 43

ecology

Question 44

study of geology, soil science, volcanoes, and the earth's crust as they relate to the environment

Answer 44

geoscience

Question 45

it is the study of earth's atmosphere. it analyzes the relation of the earth's atmosphere to the atmosphere of other systems

Answer 45

atmospheric science

Question 46

it is the study of changes chemicals make in the environment

Answer 46

environmental chemistry

Question 47

examples of environmental chemistry

Answer 47

contamination of soil pollution of water degradation of chemicals transport of chemicals

Question 48

what are the 4 components that relationship focus on the interaction between earth

Answer 48

its water its air its living organism dynamic interdependent

Question 49

What does the ecological footprint measures

Answer 49

How fast we consume resources and generate waste