Neither but if I had to choose Biden.
Chris's city is in a wet tropical climate.
High amount of precipitation, and warm humid climate is typical for the regions around the Equator, thus the climate in which Chris's city is located seems to belong to a tropical wet climate type, somewhere around the Equator.
Mark's city is in a cold desert climate.
The big variation of temperatures, with having hot summers and cold winters, as well as extremely low amount of precipitation, are typical for the cold deserts that are mostly dispersed in Asia, thus the city in which Mark lives will belong to a cold desert climate.
NAIROBI, Kenya — From Sudan to South Africa, on shantytown streets and desert battlefields, tribal conflicts are fragmenting Africa’s nations and tormenting its peoples.
Even the anti-apartheid movement in South Africa often is beset by tribal rivalry that in recent months has seen black groups fighting each other, sometimes shattering black unity in the battle against the white government.
Answer:
This difference exists because of the Earth's slight elipsoid shape.
Explanation:
This difference exists because of the Earth's slight elipsoid shape.
Due to this reason, the measurement of a degree of longitude is given by the following formula.

In which
is the length in degrees at the Equator and La is the latitude(in degrees).
Answer:
Energy use is related to economic growth.
Explanation:
Energy use and economic growth go hand in hand. We can not say that more energy usage leads to economic growth, or that bigger economic growth leads to bigger usage of energy, simply because one can not do anything without the other. To put it simply, energy use and economic growth occur at the same time because of their interdependence.
What can be said is that energy use and economic growth grow together, so the more developed a country is, the more energy it uses, and the less developed a country is, the less energy it uses. A lot of countries in the world face big problems when it comes to satisfying their energy demands because they lack the natural resources to produce it, so often they are dependent on other countries for their development. On the other hand, there are also countries that have an abundance of natural resources for energy production but they simply don't use them adequately and responsibly so they are not developed as one would expect.