Natural resources, because all of the things listed are naturally made by the Earth.
Answer:
Tigris
Explanation:
Yan kasi nabasa ko na Yan sa module koohh
Although a vast majority of seawater is found in oceans with salinity around 3.5%, seawater is not uniformly saline throughout the world.
The correct answer is letter D. Economy. Perestroika, as announced early in his years of leadership, was Gorbachev's policy to restructure the economy. At that moment, it's one of the crucial things to be taken care of.