About 70% of the Earth's freshwater is found in the form of ice caps and glaciers -it is frozen. Out of this, the majority is actually in one place: covering the continent of Antarctica.
One could argue that there is
more water in the oceans, but it's not fresh water- it's salty water, so it's not good to drink.
Answer:
Marble is a metamorphic rock. Marble is a metamorphic rock, that forms when limestone (another rock) reaches a certain pressure and heat
Answer:
Option C. Is used to cool the drill bit and to flush rock cuttings up and out of the drill hole
Explanation:
Drill mud plays a vital role in the drilling process. Its addition into the well-bore does a lot in enhancing the drilling processes and activities.
Among other importance and function of the drill mud /fluid:
1. It is used to cool off the drill bit
2. It flushes rock cuttings out of the drill hole
3. High pressure control
4. Providing buoyancy
5. Lubrication
Answer:
Sinking land
Explanation:
Mexico City has sunk around 10 meters over the last 100 years. Structures such as buildings and churches are leaning, and the land has made an uneven descent into the earth. Mexico City sinks about three feet a year now.
