Most of north africa and the middle east is desert how did this affect rhe settlement of the early ? need a answer niw

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.

What are the 28 countries in the eu?

Why is there little farming in mongolia