Who invented the steam engine?
A. James Watt
B. Faraday
C. Besse!
D. All of these
Who invented the steam engine? Read More »
Chemistry Mcqs
The most abundant metal in the Earth’s crust is:
A. Iron
B. Sillcon
C. Carbon
D. Aluminum
The most abundant metal in the Earth’s crust is: Read More »
One US barrel of oil is approximately equal to:
A. 42 Gallons
B. 156 Liters
C. 186 Liters
D. 158.9 Liters
One US barrel of oil is approximately equal to: Read More »
The Sun is made of mostly:
A. Oxygen
B. Hydrogen
C. Nitrogen
D. Helium
The Sun is made of mostly: Read More »
Which of the following gases is mainly causing the global warming?
A. Nitrogen
B. Methane
C. Carbon dioxide
D. Hydrogen
Which of the following gases is mainly causing the global warming? Read More »