I would say gum. Because I've never seen water cheaper than gum.
The correct answer is - cryosphere.
The cryosphere is those portions of Earth's surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost). The cryosphere is one of the five major climate components, which also include the atmosphere, the hydrosphere, the land surface and the biosphere.
Answer:
During this period, Earth's climate changed from hot and dry to humid and This was the Jurassic, which took place 199 to 145 million years ago. At the top of the food chain were the long-necked and paddle-finned a bulky, meat-eating dinosaur that walked on two powerful legs.
Explanation:
Answer: Permafrost-carbon feedback
Explanation: Permafrost is the later of the earth surface that are frozen, It Thawing is a major cause of Global warming, Permafrost contain many Green House gases such as Methane and other hydrocarbons as the Permafrosts Thaw,unlocking of the carbon deposits on the earth takes placeas all this hydrocarbons released causes flooding,high temperatures and excessive decomposition of organic matters.
