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Why is there less light at far-northern or -southern latitudes?
The low-angle sunlight has to travel through more atmosphere, which results in loss. The same amount of light is spread over a larger area because of the angle at which it hits
Why does the Sun have different rotation rates for different latitudes?
just because
What is it called when an object has different rotation rates for different latitudes?
differential rotations
What area of earth gets the most direct sun light?
The equator receives the most direct sunlight, that is, the most Wm-2. The sun shines most directly over the Tropics, and specifically the equator, throughout the year, creating a net surplus in energy which is redistributed towards the poles. In terms of the number of hours of sunlight, all points on Earth receive the same amount over the course of a year, but the angle at which it is received is very different at different latitudes.
Why are the stars different in the southern hemisphere?
From the ground you see a different area of the universe - the Earth is round, and from different latitudes in north and south you see a different perspective.
How does the tilt of the earth's axis affect the amount of light that reaches the northern hemisphereand the southern hemisphere?
The tilt of the earth's axis makes the amount of sunlight at different latitudes vary during the year
Why do temperatures differ at different lattitudes?
Mainly because regions at higher latitudes receive less sunlight.
Why in evolutionary terms do people in far northern latitudes traditionally have fair skin?
People in northern latitudes have fair skin because they have a smaller amount of the pigment melanin in their skin. The purpose of melanin is to block excessive amounts of sunlight and UV radiation from being absorbed. Modern humans, homo sapiens originated in Africa, a region which reaches high temperatures and is exposed to large amounts of sunlight, therefor, requiring a large amount of melanin.Northern latitudes have less sunlight than other regions, therefore, the humans in those places must compensate(adapt) for the lack of sunlight by being able to absorb a greater amount of it when exposed.
Why are most biodiversity hotspots located in the tropics?
There is consistent sunlight which allows for producers to grow continually, versus the higher latitudes where there is variation in the amount of sunlight between seasons, i.e. winter and summer.
How many hours of sunlight in a day in America?
That varies a lot depending on the latitude - America is large, and has different latitudes - and the time of year.
Why do latitudes closer to the equator have warmer climates?
Latitudes closer to the Equator have warmer climates because they receive direct sunlight and therefore, the latitudes get evidently heated. :)
How does sunlight aid in survival?
will different plants need different amount of sunlight . they need sunlight for photosynthesis that's how they make their own food. without sunlight,there would be no photosynthesis and plants.
Do you get more or less direct sunlight at the equator?
you get more direct sunlight at the equator
What is the amount of sunlight in freshwater biomes?
The amount of sunlight that can be found in a freshwater biome varies. Some of these biomes receive more sunlight than others.
Is the amount of water and sunlight different in different places?
Yes because its curvature. Sunlight spreads over different areas causing it to be less effective near the poles.
Is the amount of sunlight and water different in different places?
Yes because its curvature. Sunlight spreads over different areas causing it to be less effective near the poles.
Amount of sunlight is caused by?
the amount of sunlight produced and the amount of sunlight received are two different things. the amount of sunlight produced is caused by the magnitude of the nuclear fusion reaction going on in the sun at any given time. a bigger reaction means more light energy produced. the amount of sunlight received depends on this and also distance the light has to travel. also things such as weather conditions. clouds may block sunlight reducing the amount received or vissible. dust and other particle in the air may also block amounts of sunlight.
