Global Warming
What alternatives can be used to reduce fuelwood demand ?
Ethane formation
Methane from Sewage
Wood materials
overcome desertification
Methane from Sewage
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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
The last ice ages ended about:
A. 20,000 years ago
B. 10,000 years ago
C. 30,000 years ago
D. 60,000 years ago
A coal fired power station is an example of;
A. Sunlight
B. Tertiary Energy
C. Secondary Energy
D. Primary Enery
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