Answer: B. Natural Gas
Explanation:
Natural gas is the cleanest-burning fossil fuel as it primarily emits just carbon dioxide and water vapor when burnt. It is cleaner than petroleum, oil, and coal.
The cleanest-burning fossil fuel is B. natural gas. This is because natural gas is a hydrocarbon gas mixture primarily composed of methane. When natural gas is burned, it produces mostly carbon dioxide and water vapor. These are the same compounds that we exhale when breathing. Compared to other fossil fuels like petroleum, oil, and coal, natural gas releases a lesser amount of harmful emissions and pollutants, thus making it the cleanest-burning fossil fuel.
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A. isostasy.
B. erosion.
C. root rebound.
D. topography
b. crosses a depression in the ground.
c. slows down or hits an obstacle.
d. cools after nightfall.
The correct answer is - c. slows down or hits an obstacle.
The sand grains are mostly picked up and distributed by medium to strong winds. Once they start losing on speed on come to some high mountain range they slow down and there is not enough force in them to carry the sand grains anymore so they fall. The force of the wind is a determining factor as to how big of a distance the sand grains will be transported.
Example for slowing down and depositing: the sand grains from Sahara are travelling with strong winds across the Atlantic Ocean and they reach the Amazon rainforest, when they reach it, the thick cover of high trees slows down the wind and the sand grains are deposited.
Example for obstacle and depositing: sand grains from Sahara are transported through Egypt and the Mediterranean Sea, they cross the low flat region of Macedonia in Greece and than hit the Belasica and Kozhuf mountains at the border with the Republic of Macedonia, they slow down significantly and deposit the sand grains near the town of Gevgelija.
Answer:
The correct answer is C. slows down or hits an obstacle. :D
Explanation:
A.
Asia Minor
B.
Palestine
C.
Cyprus
D.
the Sinai Peninsula
Answer:
B. Palestine
Explanation:
Answer:
planetary differentiation
Explanation:
Answer:
valleys and mountains
Explanation: