Niger and Congo are two rivers after which countries are named (actually in both cases two countries each) - and those are African countries, so they must be in Africa.
Zambezi is a river in Angola and Namibia.
Tigris is a River in Mesopotamia, in Asia - so that's the correct answer!
Answer:
Globalization led to easy trade of agricultural goods across most of the globe, but also it led to specialization and improvement of agricultural techniques and production.
Explanation:
Globalization, as a process, has managed to connect the world in pretty much every aspect. This has resulted in easy trade, communication, exchange of ideas and technologies, specialization, etc. One of the sectors that have experienced big changes has been in the agricultural sector.
The countries, having open trade with almost all of the world, started to specialize to produce only a few products which are the most suitable for their conditions. Also, the new methods and technologies have spread globally, so the production has increased significantly and the work has been made easier. Agricultural goods from all over the world can now be found on a single market, while in the past it was a case where only locally or regionally produced goods were found.
The boulder would break into smaller pieces of rock under the pressure of the glacier. The glaciers crushes and compacts a boulder. Rocks and boulders that are moved by a glacier and deposited when the glacier melts are called glacial erratics.