I took marketing class last semester I have to say it is either Socialism or Market. what I have to say is it is Socialism but if I am incorrect I apologise!
Aquifers and wells are two major sources of groundwater
It depends on how the test is set up to depends on how revising it will work
Answer: it is 3.5 to 4.5 C. On EDGE
Explanation: Hardness of Common Objects
2.5 - fingernail
3. - copper penny
4. - iron nail
5.5 - glass
(Mohs Hardness Scale)