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1. What are the sources of solid wastes? How are solid wastes managed?
a. Solid wastes mainly include .
b. is the process of separation of different types of waste materials, such as biodegradable and non-biodegradable wastes.
c. In , solid wastes are dumped into low lying areas of the ground.
d. is the burning of non-biodegradable solid wastes (medical wastes) in a properly constructed furnace known as an incinerator at very high temperatures.
e. is the process through which biodegradable matter of solid wastes is digested or broken down by microbial action or earthworms and converted into humus.
2. Enumerate the importance of forest.
a. Forests are an essential part of our environment since they are a habitat for and provide a wide habitat for wild animals.
b. Forests are essential for human life because they provide a diverse range of .
c. Forests provide timber, spices, natural rubber, spices, cork, gum, honey, and medicinal plants.
d. Forests produce oxygen through photosynthesis and maintain the carbon dioxide levels present in the atmosphere.
e. Forests act as an oxygen sink.
f. Forests protect wildlife, maintain the water cycle, fulfil our freshwater requirements, and act as catchments for water conservation.
g. Forests also help to preserve the ecological balance.
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