Answer:
Saffi only
Explanation:
I just took the test and that was the correct answer :)
The tilt of the earth provides the earth with seasons. As the earth revolved around the sun different portions (northern or Southern Hemisphere) is exposed more directly to the suns radiation, thus it is hotter in those regions. (Why the United States experiences winter in December but Australia experience summer in December.)
In Thomson's experiment, he showed that an electrical current can be made to flow from a positive site to a negative site.
Not sure good luck on finding someone too help you