Last seen: Sep 30, 2021
Manufacturing Kulhads on large scale would result in the depletion of fertile top soil making the land inadequate for the cultivation of crops.
CFC: Chloroflorocarbon. UNEP: United Nation Environmental Programmes.
Skin cancer is caused in human beings due to a depletion of ozone layer in the atmosphere.
CFCs depletes the ozone layer around the earth, hence its production is controlled by United Nations.
Ozone and its chemical formula is O3.
Decline in the thickness of ozone layer in Antartica is termed as ozone hole.
Energy available at each trophic level diminishes progressively due to loss of energy at each level.
Its concentration increases with increase in trophic level.
Each trophic level makes 10% energy available to next trophic level.
Green plants absorb 1% of Sun’s energy that falls on their leaves.
Organisms which depend upon producers for food.
CFC → Chlorofluorocarbon
The average percentage of energy lost when plants are eaten by primary consumers is 90%.
The pesticides used in crop field are washed down into the water bodies. From water bodies, these are absorbed by the aquatic plants and animals of a ...
The various steps in a food chain are called trophic levels.
Grass and plants belong to the 1st trophic level of a food chain.
1,000,000 J of energy was available to the producer.
1 J energy will be available to deer to transfer it to lion.
10 J of energy will be available to the secondary consumer to transfer to the tertiary consumer.
Bacteria and fungi.