Why are the seasons OPPOSITE in the Northern and Southern hemispheres? * The Earth gets closer to the sun at some parts of its orbit.
The Earth flips over as it goes around the sun.
When one hemisphere is tilted towards the sun, the other is tilted away.
The top and bottom of the sun put out different amounts of heat.
They aren't opposite. It's summer everywhere on Earth at the same time.

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared