Question

precautions to be taken for observing algae in pond water

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Answer 1

Answer:

On the other hand, students can suspend a microscope slide in to the jar of pond water. This would also allow microorganisms to attach themselves onto the slide and then can be observed. In this case, all microorganisms that had concentrated at the top of the pond water sample attach onto the slide.

Explanation:

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Answer 2

Explanation:

Talcum powder is made from talc, a mineral made up mainly of the elements magnesium, silicon, and oxygen. As a powder, it absorbs moisture well and helps cut down on friction, making it useful for keeping skin dry and helping to prevent rashes.