When the direct rays of the Sun hit the equator, it is either the Vernal (Spring) Equinox or the Autumnal Equinox, when there are 12 hours of sunlight and 12 hours of darkness in one 24 hour day.
<span>When the direct rays of the Sun hit the Tropic of Cancer it is the Summer Solstice in the Northern Hemisphere. The day of the year with the most sunlight hours in the Northern Hemisphere, and the least sunlight hours in the Southern Hemisphere. </span>
<span>When the direct rays of the Sun hit the Tropic of Capricorn it is the Winter Solstice in the Northern Hemisphere. The day of the year with the least sunlight hours in the Northern Hemisphere, and the most sunlight hours in the Southern Hemisphere.
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Answer:
The answer is 2, 3 and 4! Hope this helps :)
Explanation:
Answer: Hierarchical diffusion
Explanation:
Hierarchical diffusion describes a situation where information is first shared amongst certain people such as a group of connected individuals and then those ones spread it as well to others.
This is what happened here. President Obama's tweet was first seen by people who followed him and so were connected to him on Twitter and then as they retweeted it, more people saw it and retweeted it as well leading to the tweet being shared to millions.
<span>The
correct answer is B. earthquakes</span>
Those big blocks
of folded land underneath the Earth’s surface are called Tectonic Plates. When
they slide around and graze each other, they cause shockwaves and seismic waves
which we call Earthquakes. Earthquakes happen all the time but some are so weak
that they cannot be felt by people on the surface.
