Question

give reasons for the scarcity of natural plants in the U.A.E ?

Answer 1

Because of aridity and scarcity in rainfall UAE devoid the presence of natural plants. Temperature rises to 49 degrees. The high temperature and aridity reason is due to the Arabian gulf and Gulf of Oman. 

Answer 2

There is very less water supply in United Arab Emirates. It is one of the top 10 most water scarce countries in the world. It has one of the highest per capita water usages globally. The consumption of water per person per day is 550 liters which is more than double of the global national average of 250 liters per person per day. So due to aridity and scarcity of rain there is a scarcity of natural plants in U.A.E.