Environmental Science
An ideal shelter for housing a temperature-measurement instrument should be:

Both white and in the shade
White
Black
In the shade
Both black and in the shade

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Environmental Science
Lead poisoning

reduces O2 carrying capacity of myoglobin in muscles
reduces O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of hemoglobin in blood
increases O2 carrying capacity of myoglobin in muscles

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Environmental Science
What is UNCED?

United Nations Conference on Education,
United Nations Conference on Environment and Development
None of these
United Nations Conference on Environmental Day

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