Please help! what makes the earth heat unevenly?

A ) Amount of wind in each area of the earth
B ) Global Warning
C ) The spin of the earth
D ) The shape of the earth

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Classify this reaction: 2al+n2-> aln.

Which of the following is most likely true about water in chemical solutions?