Near the end of both March and September, A. spring begins in both hemispheres.
B. the sun's energy strikes everywhere on Earth with the same intensity.
C. Earth's axis is no longer pointing toward the North Star.
D. neither end of Earth's axis is titled toward or away from the sun. ​

Please HELP this is do at 1 And it 12:41

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.