Question

List four lines of evidence that demonstrate that we are experiencing global climate warming

Answer 1

                     Climatic conditions on the surface and related to the earth are changing by producing an extreme progress in warming which can be proved by the following evidences...

1) Increased heat, sweating in human, rainfall and extreme drought.

2) Melting of ice in Arctic sea, Antarctic sea and other can be noticed

3) Increased temperatures on earth which can be measured directly using instruments

4) Increased sea levels on the earth from past few decades

5) Greater changes in the bird migration process to various places on the earth have been noticed,

and so on......