1) what happens when there is no rain for a long time ? a) flood b) fire c) pollution d) drought 2) what happens when heavy rain covers dry land ? a) pollution b) fire c) flood d) lightning 3) what cases a fire in dry land ? a) lightning b) snow c) animals d) wind 4) which action causes pollution ? a) planting trees b) throwing trash c) watering plants d) cleaning the streets 5) what do animal do during drought ? a) sleep b) move to find water c) make nests d) grow bigger 6) smoke from fires causes... a) clean air b) cold weather c) air pollution d) floods

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