Question

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EXPLAIN BIOLOGICAL WEATHERING
EXPLAIN BIOLOGICAL MAGNIFICATION​

Answer 1

Explanation:

BIOLOGICAL WEATHERING is the weakening and subsequent disintegration of rock by plants, animals and microbes. Growing plant roots can exert stress or pressure on rock. ... Microbial activity breaks down rock minerals by altering the rock's chemical composition, thus making it more susceptible to weathering.

BIOLOGICAL MAGNIFICATION often refers to the process whereby certain substances such as pesticides or heavy metals work their way into lakes, rivers and the ocean, and then move up the food chain in progressively greater concentrations as they are incorporated into the diet of aquatic organisms such as zooplankton

Answer 2

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Biological weathering is the weakening and subsequent disintegration of rock by plants, animals and microbes.

The process of increase of concentration of harmful chemicals like pesticides of concentration from first trophic level to the last trophic level in a food chain is called biological magnification.

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