In Eco Systems what can be helpful or harmful depending on point of view

1 answer:

5 0

We can quote many examples for such things which are helpful or harmful depending on point of view or situation or amount etc.

a) Bacteria : they can be helpful for fermentation process used in manufacturing of many useful things (like beverages) and can be harmful as they cause rotting of many useful things

b) Beaver : it is one of the largest rodent on earth. It is harmful as it causes cutting of trees. It lives upon them.

However, it a natural dam builder. It has a tremendous power to swim or float in water.

It can create canals naturally.

But for living purpose it feeds upon trees and cause destruction of trees and thus forest.

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What is meant by reactive elements

Vlad1618 [11]

Answer; relative elements are most reactive elements and compounds may ignite spontaneously or explosively. They generally burn in water as well as the oxygen in the air

Explanation:

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The diffusion flux is defined as: a) Mass, per unit surface area, per unit time b) Surface area, per unit time c) Time, per unit

s2008m [1.1K]

Answer:

The correct answer is option a.

Explanation:

Diffusion flux is defined as movement of mas of atoms diffusing through the unit area in per unit time.It measured in ( $kg/m^2 s$ ).