Several skeletons of another early whale, Basilosaurus, were found in sediments left by the Tethys Sea and now exposed in the Sahara desert. This whale lived around 40 million years ago, 12 million years after Pakicetus. Many incomplete skeletons were found but they included, for the first ...
T he drying up of what is now the Sahara desert had pushed many peoples to the south into sub-Sahar a Africa. T hese peoples settled at first in sca ttered hunting-and-gathering bands, although in some places near lakes and rivers, people who fished, with a more secure food supply, ...
The Sahara desert has been expanding its area in North Africa in recent years,and now stretches all the way from the Atlantic Ocean to the Indian Ocean.This phenomenon,called desertification,is going on all over the world.Scientists say forty square miles of the earth's surface turn into dese...
The big question today is, how can an expanding world population find food and space without destroying the land it lives on For many countries, battling the desert is the only chance to avoid starvation and disaster.According to Paragraph 1, what has happened in Mauritania A.The Sahara has ...
This desert-shrinking trend is supported by climate models, which predict a return to conditions that turned the Sahara into a lush savanna some 12,000 years ago. The green shoots of recovery are showing up on satellite images of regions including the Sahel, a semi-desert zone bordering the...
London on 15th July.2. And they will be travelling in 1. Toby and his older brother are to travel to D in the Sahara Desert on camels for as long as six days, 3. which their holiday. Toby thinks 4. uncomfortable (comfortable). A. Africa B. America After that they 5. will travel...
bu tmany scholar sbeliev eth a tthe spread o fagricultur eand iron throughou tAfric a linked i tto the majo rcenter sof the Near Eas tand Mediterrane an world .T he drying up o fwh a ti snow the Sahara desert had pushed many peoples to the south into sub-Sahar a Afric a .T ...
Another major discovery was made in Egypt in 1989.Several skeletons of another early whale, Basilosaurus, were found in sediments left by the Tethys Sea and now exposed in the Sahara desert.This whale lived around 40 million years ago, 12 million years after Pakicetus.Many incomplete skeletons ...
Even before the drought, the Sahara was never well watered. Both humans and animals were constantly on the move, in search of food and reliable water supplies. Under these circumstances, archaeologist Andrew Smith believes, the small herds of Bos primigenius in the desert became smaller, more ...
In the lecture, what do the Ice Age and the creation of the Sahara Desert both illustrate about past climate changes? Choose 2 answers. A.That some climate changes benefitted the development of civilization B.That some climate changes were not caused by human activity C.That some climate ch...