Be more specific, in order to answer this question.
Answer: 
Explanation:
The Tropic of Cancer is one of the parallels (imaginary line around the Earth parallel to the equator) located in the northern hemisphere (currently its latitude is
).
It is called "Cancer" because a long time ago, when the summer solstice occurred in the northern hemisphere (on June 20th or 21st), the Sun was in the constellation Cancer (the crab).
Now, if we were just in the North Pole, Polaris would by exactly over our heads (
over the horizon), but as we go south and find the Tropic of Cancer parallel, Polaris altitude will be approximately at an angle of
over the horizon.
Hence, the altitude of Polaris measured by an observer at the Tropic of Cancer is
.
Answer:
the sun
Explanation:
the sun is the main source of energy that drive water cycle
Answer:
like unemployment,waterlogging in wetland areas,salinity in arid and semi arid areas,acidity in high rainfall and so on...
A man named Alfred Wegener proposed that all the continents were one, giant continent which he called Pangaea. He backed up this idea with evidence from other fossil remains. Fossils from animals native to a certain country were appearing on other countries from much further away.