Answer:
it is said that the Ice Ages began 2.4 million years ago and ended approximately 11,500 years ago.
Explanation:
During this time Carbon-Dioxide (a poisonous and warming gas) levels rose dramatically by about 180 ppm to 280 ppm.
This caused the major retreat of glaciers that ran across continents...
There were other gases but they were in VERY small amounts...
(APART FROM OXYGEN)
The name of the region crossed by the trans-siberian railroad is SIBERIA or the WILD EAST. The eastern capital is Irkusk and the railroad passes through the city making it a stepping-off between Mongolia and China. The railroad goes through Siberia and China.
Answer:
Option C
Explanation:
C= erosion and deposition
A valley is an elongated low area often running between hills or mountains which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period of time
D= glacial movement
Sinkholes are formed when the land surface above collapses or sinks into the cavities or when surface material is carried downward into the voids. Drought, along with resulting high groundwater withdrawals, can make conditions favorable for sinkholes to form
I think this should be correct, but not sure
hope it helps! please make me brainliest..
good day ahead!!
