Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

What is called black gold?

$\begin{array}{1 1} a. Petroleum \\ b. Coal \\ c. Coal\; Tar \\ d. Natural \;gas \end{array} $

1 Answer

Home Ask Tuition Questions
Practice
Your payment for is successful.
Continue
...