Examine the model, and think about how it would be different for the southern hemisphere. What causes the southern hemisphere to experience summer?
A. Earth's north pole is tilted toward the Sun.
B. Earth's south pole is tilted toward the Sun.
C. Earth's axis and its orbit plane are at different angles.
D. Earth's axis and its equator are at different angles.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?