How do i explain to kids how much water on earth is drinkable?
1 answer:
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Answer:
The answer would be 420 m/s
Explanation:
Look in attachment ⬇
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Answer:
Explanation:
the variations in riser height or tread depth should not be grater than that is equal to 9.5 mm but the maximum riser height should be the
but variation in riser height should not exceed to
. The minimum riser height should be 7 inches which is equal to the 178 mm