Question 1

contributing factors to the existence of seasons on earth include:

a) revolution: earth’s orbit around the sun

b) tilt: the tilt of earth’s axis in reference to the solar plane (incorrect)

c) axial parallelism: the constant alignment of earth’s axis during orbit around the sun

d) all of the above

Atown is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.

Which of the following lakes is not found in africa?

Which of the following is not a pillar of the nuclear proliferation treaty? nonproliferation reduction of nuclear weapons by 85-90% right to peacefully use nuclear power disarmament