Natural, it is not man made.
Answer:
<h2>Petroleum that is worthwhile extracting is usually found trapped in layers of permeable rocks by other layers of impermeable rock, but more recently reserves of gas and oil are being extracted from shale which is an impermeable rock but is porous in the sense that there are spaces (pores) within its structure in which ...</h2>
Answer:
The is no such thing as perfect :(.
Explanation:
World war z my boy
Answer:
D.The land is populated with a group of people
B.There is a government ruling land and people