Questions

Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.

Non-renewable resources are those natural resources that are available in limited quantity.

These resources cannot be renewed or replenished in short duration.

Examples are :: Natural gas, Petroleum, Coal,...

As much as 99.3 per cent of the junked Rs 500 and Rs 1,000 notes have returned to the banking system, the RBI said today, indicating that just a miniscule percentage of currency was left out of the system after the government's unprecedented note ban aimed at curbing black money and corruption. The Reserve Bank of India (RBI), which has taken an awfully long time to count the currency that was returned in the limited period window provided by the government to exchange or deposit the demonetised currency, said in its Annual Report for 2017-18 that the exercise is finally over. 

They are located on the St. Marys River between Lake Superior and Lake Huron, between the Upper Peninsula of the US state of Michigan and the Canadian province of Ontario.