The correct answer is C. All of theses.
More than 30 million year ago massive extensions of swamp waters and marshlands were formed in Oklahoma. As the years went by these swamp waters were buried beneath soil, sand and gravel however, these water deposits later provided the state with natural resources such as coal, petroleum and natural gas. Thus they are or were called swamp treasures due to their multiple uses and the richness they gave to the state.
The correct answer is both states actively promoted the development and spread of Islam.
I believe that finding the balance of drones would be putting a limit on how many drones a country can use at one time. I'm not sure on the other 2 questions.
what do u mean ......... .....p
Answer:
Wars, battles, draughts, and viruses.
Explanation:
In history many people faced tough wars and battles like the revolutionary war, world war, etc.
Draught has caused many people to die in history because of the lack of water they had, this most commonly occurred in desert areas.
Viruses like the Plague spread like a wildfire and were as deadly as a snake bite. This virus is the cause for many deaths in history.
