Answer:
A. South Africa
Explanation:
from 1948 and into the early 1990s
Answer: Permafrost-carbon feedback
Explanation: Permafrost is the later of the earth surface that are frozen, It Thawing is a major cause of Global warming, Permafrost contain many Green House gases such as Methane and other hydrocarbons as the Permafrosts Thaw,unlocking of the carbon deposits on the earth takes placeas all this hydrocarbons released causes flooding,high temperatures and excessive decomposition of organic matters.
Canal irrigation is when people use canals to transport water to places that need to be supplied with water.
<u>There are three main types of reservoirs; valley-dammed reservoirs, bank-side reservoirs, and service reservoirs. Valley-dammed reservoirs are created in valleys between mountains. Usually, there is an existing lake or body of water.</u>
The Seleucid Empire became a major center of Hellenistic culture it maintained the preeminence of Greek customs where a Greek political elite dominated, mostly in the urban areas. The Greek population of the cities who formed the dominant elite were reinforced by immigration from Greece.
