Increased level of carbon dioxide in the atmosphere traps the heat rays reflected by <span>the earth caus…

Ozonosphere occurs at height of</h2></div>

Which gas is released by improper or incomplete combustion and are generally emitted from vehicles?<br> </h2&gt…

An effect of deforestation is</h2></div>

Freon gas causing stratospheric <span class="katex"><span class="katex-html" aria-hidden=&q…

What is the excess growth of plankton in water due to the presence of nutrients called?

In which of the following process the farmers cut down the trees of the forest and burn the plant remains?

Bio-agents such as culture of blue green algae are used in preparation of</h2></div>