Environmental Science
Rain water harvesting is a major method implemented for_____________

Soil Conservation
Ecological conservation
Water Conservation
Forest conservation

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Environmental Science
Our seasons are caused by:

The length of the daylight hours
The changing distance between the earth and the sun
The angle at which sunlight reaches the earth
Only (b) and (c) are correct
All of these

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Environmental Science
Lead poisoning

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

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