Environmental Science

Ecological Succession
Initial causes of ecological succession includes:
Climatic and Biotic factors
Abiotic Factors
Water Vapours
Air Precipitation
Author: rikazzz Comment
Marine Pollution
PCBs’ stands for;
Poly Calcium biphenyls
Poly chloride
Polychlorinated by phenyls
Poly Carbon biphenyls
Author: rikazzz Comment
Water Pollution
What does total solid include ?
Total Solid Waste
Total Dissolved Solids
Total Suspended Solids
Both b and c
Author: rikazzz Comment
Global Warming
Occurance of 15% methane in the atmosphere causes;
Pollution
Global warming
Humidity
Acid Rain
Author: rikazzz Comment
Water Pollution
Finely divided solid, remaining either with in solution or in suspension is known as
Settaleable Solids
Dissolved Solids
Suspended solids
Colloidal Solids
Author: rikazzz Comment
Global Warming
CFCs’ are used in fire extinguishers and as propellants in:
Plants
Chemicals
Aerosols
Fertilizers
Author: rikazzz Comment
Ozone Depletion
CFCs can destroy;
100,000 ozone molecules
1000 ozone molecule
10,000 ozone molecules
20,000 ozone molecules
Author: rikazzz Comment
Global Warming
Water is cycled between the oceans, atmosphere and the:
Land surface
Coastal areas
High surface areas
Low land areas
Author: rikazzz Comment
Global Warming
What is an annual rate of grain production?
0.03
0.029
0.025
0.08
Author: rikazzz Comment
Major Ecosystems
In which biome plants and animals are drought tolerant?
Tropical Savannah
Tropical Rain Forests
Taiga
Boreal Forest
Author: rikazzz Comment

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