Which of these is a major economic activity in central asia that has traditional roots?
a. tourism
b. raising livestock
c.
wheat production
d.
oil drilling

The correct answer is - B. raising livestock.

The people of Central Asia have been traditionally nomadic people, and that was their lifestyle until relatively recently. They were raising livestock, and their food source was heavily dependent on it, thus the constant moving over large ares, so that they were able to find nice grazing spots.

Even though nowadays, most of the people from this region are living in the cities and their life has significantly changed, there's still smaller portions of the populations that are practicing this traditional nomadic life with their livestock.

places of higher salinity. there are parts of the ocean where hardly any rain falls but warm dry winds cause lots of evaporation. this evaporation removes water – when water vapour rises into the atmosphere, it leaves the salt behind, so the salinity of the seawater increases. this causes the seawater to become denser.