The Influence of Internet on society

A．The climate of earth has fluctuated quite a bit over the last 4. 6 billion years.
B．An increase in the earth's temperature will have major consequences for all life on this planet.
C．The information we have got makes us unable to explain the global warming completely.
D．The Pleistocene began about t. 8 million years ago.

A．Has the Pleistocene Epoch Ended
B．Another Ice Age in the Aeologle Futurn Is Coming
C．The Ice Ages: Are They Over
D．Glacial Ice Will Be Present in Different Places