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100
What do we have to do for the Earth Hour? a.Turn off the lights for one hour b.Turn off the lights for one day c.Turn off the lights for two hours
a.Turn off the lights for one hour
100
Urbanization often results urban heat islands, meaning they heat up the temperature surrounding a city as high as 12 degrees. Which of the following does not affect the phenomena Urban Heat Islands? A more crowded population. B. Increasing uses of transportation C High-density city planning D. North winds that blow during winter.
D. North winds that blow during winter.
100
In the world, ruminant animals is one of the largest sources of methane, in which ( ) accounted for 20% of U.S. methane emissions. A. Pigs B. Cows C. Sheep
B. Cows
100
Using which kind of battery is more Environmental? A. Rechargeable battery B. Nickel cadmium battery C. Dry battery
A. Rechargeable battery
200
In the Movie 2012, which civilization predicts the world will end on 2012? a. Roman b. Mayan c. Chinese
b. Mayan
200
Which of the following reasons has caused Earth to have a higher global temperature than today? A. Orbital mechanics and solar activeness B. Overpopulation of animals C. Earth Quake D. Normal forest fires
A. Orbital mechanics and solar activeness
200
When red tide occurs, does that means the ocean has been polluted?(T/F)
T; "Red tide" is a term often used to describe HABs(harmful algal bloom) in marine coastal areas , as the dinoflagellate species involved in HABs are often red or brown, and tint the sea water to a reddish colour.
200
Electricity generation consumes a lot of resources, saving electricity can save resources, protect the environment. Start saving from the everyday life, at home using the refrigerator, the power-saving approach is to A. Put a lot of food in the refrigerator B. Open and shut the refrigerator door repeatedly C.In the refrigerator, placed in the side and behind the space set aside to help the refrigerator cooling. D. Put the refrigerator and the microwave together
C.In the refrigerator, placed in the side and behind the space set aside to help the refrigerator cooling.
300
Where did the United Nations Climate Change Conference 2009 hosted in? a. London, Great Britain b. Washington D.C, USA c. Copenhagen, Denmark d. Beijing, China
c. Copenhagen, Denmark
300
Climate Refugees are persons who are affected in the most fundamental way of life by the global Climate change. It is estimated how many climate refugees would there be by 2050? A 6 billion B 1 billion C 50 million D five hundred thousands
B 1 billion
300
Generally refers to the biosphere, including ( ) formed by the boundary circle of biological systems and natural boundary circle of mutual relationship and influence. A. Human beings, animals B. Human beings, animals, and plants C. Animals, plants
B. Human beings, animals, and plants
300
Use the air conditioner in summer, it is best to set the temperature on ( ) degrees? A. 17-20 B. 18-20 C. 20-25 D. 26-28
C. 20-25
400
Name three of the Five Worst polluted countries.
U.S.A, China, Japan, Germany, India
400
If Global temperature rises ________ degrees, the sea level would devour the entire country of Maldive. A 2.0 B. 4.5 C 1.0 D 10.0
A 2.0
400
60%-70% of the ______ in the air are from the phytoplankton. A. Oxygen B. CO2 C. H2O
A. Oxygen
400
Noise on ( )will produce harm A. Cardiovascular system B. Digestion system C. Human hearing organs D. Nervous system
C. Human hearing organs
500
Name 2 common gaseous air pollutants.
carbon monoxide, sulfur dioxide, chlorofluorocarbons, nitrogen
500
Why even though the crop production is able to feed everyone on earth, but there are still millions of people are starved each day? Name two.
bio-fuels, waste, unfair trade
500
To produce one kilogram of wheat or corn, often require 1,000 to 2,000 liters of water, take up to 1 million liters of water to get 1 kg of beef. (T/F)
T; Nearly half of the total amount of water used annually in the U. S. goes to grow feed and provide drinking water for cattle and other livestock.
500
How to save more electricity on a laptop? Give at least 2 ways.
Use dimmer light and turn off or turn it to sleep mode when you are away.
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