P. S. This is a science question not a chemistry. When the tilt of the Earth causes the sun’s energy/light to be spread out over a larger area, temperatures are causing to occur.

A. the same, Spring
B. warmer, Summer
C. cooler, Winter

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

•hydration •dissociation •dissolving which one goes to which

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.