Some of the most typical characteristics of groundwater are weak turbidity, a constant temperature and chemical composition and almost overall absence of oxygen. Circulating groundwater can have extreme variation in the composition with the appearance of pollutants and various contaminants.
Answer:
The fault lines pull away from eachother and it breaks up into blocks r chunks which are either forced upwards or downwards. As hey move apart these chunks or blocks end up being stacked ontop of one another causing a fault block mountain as the fault lines have been blocked up. An example of a faultblock mountain are the Sierra nevada mountains in North America.
(i dont know how many marks this question is so you may not need that much information)
the outer crust isnt made of iron and nickle because thats what we are living and walking on.
please mark brainliest