Match the following:Part A1. oasis 2. out-migration 3. pastoral nomadism 4. salinization Part Ba. an accumulation of higher than normal salt content in the soil b. a small, fertile area in the desert, usually a place where water is close to the surface (plural - oases)c. movement from one's homeland to another country d. the practice, most common in areas with limited resources, of moving herds from one place to another

1 - b

2 - c

3 - d

4 - a

Explanation:

Oasis can be simply defined as a contrasting geological feature that is located somewhere in the desert areas, and this land area is rich in valuable nutrients, enriching the fertility of the soil. Water also is found in this particular area.

Out-migration can be referred to as the process where people shifts from one place to another, and is mainly done in order to search for job and settlement purpose.

Pastoral nomadism refers to the those individual that are directly dependent on the domesticated livestock such as cows, sheeps, chickens and many other. They usually move into the region which is suitable for collecting pasturage for these animals and livestock.

Salinization can be defined as the condition when the amount of salt in the salt is higher than the usual amount.

Thus, the correct answers are matched above.

a. i. only is correct.