List of top Environmental Sciences Questions on Environmental Issues

Rainwater having a pH of less than 5.6 is considered as acidic rainwater. Dissolution of CO$_2$ in rainwater brings down the pH of rainwater from 7 to 5.6 under natural environmental conditions. Which of the following is most appropriate?

Match the mineral groups with examples:

List I	List II
A. Oxide --- IV. Quartz B. Silicate --- II. Feldspar C. Carbonate --- I. Siderite D. Sulphide --- III. Galena	IV. Quartz II. Feldspar I. Siderite III. Galena

The publication ’The Future We Want’ is the outcome of:

Stratospheric ozone protects us from:

Arrange the following greenhouse gases in increasing order of their relative contribution to global warming:
Greenhouse gases:
A. CO₂
B. N₂O
C. CFCs
D. CH₄
Choose the correct answer from the options given below: