Which one is not dangerous for life and atmosphere
Biopollutants
Ozone layer
Nuclear blast
Deforestation
(b)Ozone layer is the ultraviolet rays protector of earth.
Term 'ecosystem' was given by
Pond is defined as a
An ecosystem, such as an aquarium, is selfsustaining if it involves the interaction between organisms, a flow of energy, and the presence of
Which of the following is the source of carbon to plants
The correct sequence of plants in a hydrosere is
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