Fill in the Blanks

1. Those waste materials which can be broken down to non-poisonous susbtances in nature in due course of time by the action of micro-organisms are called …….. wastes.
2. The waste materials which can not be broken down into harmless substances in nature are called …….. .
3. …….. is the ultimate source of energy.
4. In 1987 …….. succeeded in forging an agreement to freeze CFC production at 1986 levels.
5. Ozone at the higher levels of atmosphere is a product of UV radiation acting on …….. molecule.
6. …….. can be classified as herbivores, carnivores, omnivores and parasites.

Question

Pawan Prajapati · Answer

Answers 1. biodegradable 2. non-biodegradable wastes 3. Sun 4. United Nations Environment Programme (UNEP) 5. oxygen (O2) 6. Consumers

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