Answer:
Volcanic rock (often shortened to volcanics in scientific contexts) is a rock formed from lava erupted from a volcano. ... Volcanic rocks and sediment that form from magma erupted into the air are called "volcaniclastics," and these are technically sedimentary rocks.
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Answer:
Glaciers cause erosion by plucking and abrasion. Valley glaciers form several unique features through erosion, including cirques, arêtes, and horns. Glaciers deposit their sediment when they melt. Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
Explanation:
<u>Answer:</u>
Subsistence agriculture is when the activity of growing food is not associated with economic gains and is only carried out in order to feed the cultivator himself and his family.
<u>Explanation:</u>
The word subsistence literally means support. The farming that is done by the farmers to support their survival is thus known as subsistence farming. In subsistence farming, the farmers choose to grow food that would only be enough to fulfill their own needs of survival.
There are no economic gains possible from subsistence agriculture as there is no surplus produce that can be traded to fetch economic gains.
Answer:
regional network
Explanation:
The market is a set of buyers and sellers who agree on the prices at which they will exchange goods and services.
In the economies of the third-world, products are usually put to the periodic market. Periodic markets are the biggest element of the marketing system.
The basic elements of the market are price, demand, supply, income.
