over half of the world’s known supply of oil is found in

a. china

b. eurasia

c. southwest asia

d. north america

Most of the world's oil is found in C. South West Asia, Specifically Saudi Arabia. 

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.

Could you answer my question* ! * how many people in ghana have well-paid jobs and are not poor?