Answer:
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Topsoil consists of most weathered mineral and organic material. Biological agents are also responsible for the breakdown of complex organic matter which releases simple nutrients. This process of mineralisation make soil fertile.
Explanation:
1. The Alpha particle is a helium nucleus, is positively charged & would barely penetrate a piece of paper.<span />
Answer:
Single replacement and Zinc Sulfate
the 2nd one is double replacement and potassium nitrate
In eukaryotic cells the citric acid cycle takes place in the matrix of the mitochondria.
