Answer:
Sinkholes are just one of many forms of ground collapse, or subsidence. Land subsidence is a gradual settling or sudden sinking of the Earth’s surface owing to subsurface movement of earth materials. The principal causes of land subsidence are aquifer-system compaction, drainage of organic soils, underground mining, hydrocompaction, natural compaction, sinkholes, and thawing permafrost. Land subsidence can affect areas that are thousands of square miles in size.
Explanation:
dont have one
Pneumatic rollers can be used on several different projects such as subdivision streets, large parking lots, and driveways. They are also used on chipseal projects
Hope this helps :))
Answer:it increased
Explanation:the level of carbon dioxide increased due to the chemicals like hair spray and other manmade things.Also due to global warming
About 97% of all water is salt water, residing in the ocean. Most of the fresh water is frozen in glaciers and icebergs.