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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.

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.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 9723 Points
5 months ago
Answers 1. biodegradable 2. non-biodegradable wastes 3. Sun 4. United Nations Environment Programme (UNEP) 5. oxygen (O2) 6. Consumers

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