True, Texas is nicknamed the lone star state
They are brought from colder regions e.g. the North and South poles where ice caps are melting to give cold water. Currents are due to the effect of wind on the water.
The tilt of the earth’s axis, causing a further distance from the sun which reduces solar energy
The SunBelt is a region defined by warm climate of the United States. Is not a political example although this region coincide with a very fast growing economy and population for the last decades.
Corect answer is C - a formal example
