Q. Today there are no fishes in

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Q. The sun has a direct control over variations in

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Q. In Peru, the fishing season is closed for the period of

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Q. What meant that there are insufficient fish left to carry on the reproductive cycle?

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Q. Why ground ozone is bad for humans?

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Q. Carbon dioxide is causes

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Q. In which consumers the competition for food is great?

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Q. The process of photosynthesis takes place in the presence of sunlight by using

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Q. Carnivores are known as

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Q. Why the ozone in the stratosphere is good for humans?

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Q. Which consumers do not rely directly on green plants?

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Q. In Solar energy what works more efficiently when engines are hot?

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Q. A carnivore which kills and eats other animals is called

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Q. Soot causes

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Q. For food,everthing depends directly or indirectly on

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Q. They remove many nitrogen oxides, carbonmonooxides and unburnt hydrocarbons, is

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Q. Large carnivores which rely for food on small carnivores are known as

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Q. Sulphurdioxide causes

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Q. Herbivores such as wild beests and zebra live in vast herbs on the

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Q. Oxides of Nitrogen causes what health problems in humans?

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