Global Warming
The last ice ages ended about:
20,000 years ago
10,000 years ago
30,000 years ago
60,000 years ago
10,000 years ago
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Ecosystem is a distinct system of interdependent plants and animals, along with their:A. Physical environment
B. Biological Environment
C. Chemical Reactions
D. Physical change
In the light skinned population, UV radiations cause;
A. Asthma
B. Skin Damage
C. Infections
D. nonmelanoma skin cancer
GWP’ stands for;
A. global world product
B. Global Wind Potential
C. Gross World Products
D. Global wild Products
Chlorofluorocarbons’ are non-toxic, non-flammable and
A. acidic
B. non-carcinogenic
C. Odourless
D. Tasteless
Earth’s surface maintains a nearly constant temperature, approximately
A. 50 ยฐF and 90 ยฐF
B. 50 ยฐF and 100 ยฐF
C. 50 ยฐF and 800 ยฐF
D. 50 ยฐF and 60 ยฐF
A coal fired power station is an example of;
A. Sunlight
B. Tertiary Energy
C. Secondary Energy
D. Primary Enery
In 1800, there were over 10,000 working windmills in;
A. USA
B. Britain
C. Germany
D. France
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