Theory question 208
Environmental Resources(a) List four atmospheric resources (b) Describe three uses each of any two of the resources listed in (a) above (b) Name three other environmental resources that are of great importance to man.
Show the model answer
Model answer
(a) Oxygen, carbon dioxide, nitrogen, water vapour/rainfall, sunlight, wind.
(b) e.g. Sunlight: photosynthesis by plants; solar energy for electricity and heating; drying crops, fish and clothes; vitamin D. Wind: wind power; sailing; winnowing grain; dispersal of seeds and pollen; drying. (Or oxygen: breathing, burning, welding; water vapour: rain for farming, water supply, moderating temperature.)
(c) Land/soil, water, minerals, forests/vegetation, wildlife, the sea.
Explanation
The second '(b)' should be read as (c).