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:
Land
Explanation:
Land is the part of the planet that is solid and not solid like lakes or rivers. Is a resource that has no cost of production, until humankind start to use it for specific purposes. This concept includes all the physical elements that are over there like climate, fields, forest, animals, etc. Also this resource includes everything that is on the surface, like buildings, trees, etc. But also, above the surface like the air space. And also, the things that are under he ground like minerals or oil that it is discover.
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The winds that pushing the sasiling ship from north, but they are also curving to west. theses winds are known as : d. polar easterlies.
polar easterlies is the wind are blowfrom east to west.
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volcanoes hope this helps