I'm pretty sure the answer is D but it's been a while since I've studied this. 95% sure it's D though :)
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 .
D. methane
Soil and minerals are found in dirt, which is land, and forests are appart of land, but methane is a <span>flammable gas.</span>
Yes aids had done more harm than good. The reason why because people in Africa didn't have aids and when aids started to spread around the whole world the Africa gotten so sick they started to die.
Mexicans of European descent or European Mexicans , are Mexican citizens of complete or predominant European descent. While the Mexican government does conduct ethnic censuses on which
