Questions

True Or False

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6 questions · timed · auto-graded

Question 31 Mark
The Proportion of $CO _2$ which was $275$ $PPM$ $100$ years ago has increased to $350 \ PPM$ at present.
Answer
True
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Question 51 Mark
The average condition of temperature ,moisture and rain for a period of over $35$ years is called “weather”.
Answer
False
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Question 61 Mark
Our enviornment is polluted due to amoke from industries, factories ,power stations and auto vehicles.
Answer
True
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True Or False - [Old] Social science STD 8 Questions - Vidyadip