ROCKS AND THE ROCK CYCLE
The rocks of the earth are very varied in composition, depending on the way they were formed and the time they were formed.
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Environmental EducationGeology
4 Major Elements in the Components of Soil
There are four main components of soil, which are: those resulting from the-‘ breakdown of rocks, organic matter, water and air.
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Environmental Education, Integrated Science
Soil pH: Soil Acidity and Alkalinity
Soil pH is a measure of the acidity vs the alkalinity of the soil, and determines the capacity of that soil to exchange nutrients with plants growing in it.
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Environmental Education, Integrated Science