Two- thirds of the world's oil reserves is found in the Middle East.
So, your answer is option C. oil reserves.
Hope this helps!
redshift and doppler effect
redshift is an increase in the wavelength of radiation emitted by a receding celestial object as a consequence of the Doppler effect and the Doppler effect is a tool used to measure frequency changes as light travels to, from, or pass an observer
<span>The O.E.D. Was printed after 2 years of research
True
False
</span>
the answer is False
Increased migration - the biggest change to the ethnic composition of the UK is the increase in 'other white'. ... Differences in birth rates - the key factor for the increase in 'Asian' and 'black' groups is the higher birth rates associated with these communities in comparison to 'white British'.