Answer:
Explanation:
The main difficulty of barter system is the lack of double coincidence of wants. In a barter system a person who wants to exchange his goods must find some person who is willing to exchange his commodity with his commodity. Hope that helps!!!
Answer:
disease has impacted populations in the United
States and in Developing countries
Explanation:
People have to close down their stores, shops, and resturant's, and also some hospital's, they even have to close down the airports. Then a lot of people, kids, children, and babies, are dying from Coronavirus espcially adults.
Answer:
The presence of mustones by curiosity rover indicates chances of ancient life.
Explanation:
- The Yellowknife bay is a geologic formation of the Gale crater on the planet Mars and NASA named the rover as a curiosity. Its primary goal was to assess the potential habitability and whether the mars are capable to support life.
- The presence of the mudstones in the geologic depression area on mars leads to its name as Yellowknife i.e the capital of the northwest territory of Canada.
- The findings of the mudstone from the stepped bedded stata indicate the clay minerals that show the presence of water and claims that an ancient creator was found on in this region and these indicators of a potential mafic source of origin of deposition.
Western Europe has advanced communications and transportation systems. A city in Western Europe is London.
Water Erosion
Wind Erosion
Glacier Erosion
Sea Erosion
Soil Erosion