List gases which are responsible for green-house effect.
Greenhouse gases are as follows :
$(1)$ carbon dioxide $\left(\mathrm{CO}_{2}\right)$
$(2)$ methane $\left(\mathrm{CH}_{4}\right)$
$(3)$ water vapour $\left(\mathrm{H}_{2} \mathrm{O}\right)$
$(4)$ nitrous oxide $(NO)$
$(5)$ ozone $\left(\mathrm{O}_{3}\right)$
$(6)$ chlorofluorocarbons ($CFCs$)
How the nitrogen oxide is made ? and How the excessive amount of nitrogen oxide is harmful ?
Give the name of particulate pollutants with examples.
How can domestic waste be used as manure?
Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?
What kind of steps should be taken to control environmental pollution ?