'Neo-Malthusian Theory' is associated with which of the following?
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Which disease is caused by Nickel?
Bambusa dendrocalmus is the scientific name of _______.
Limonitic ore is the ore of which metal?
Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.
The ionosphere overlaps which two layers of the atmosphere?
The girth of the stem or root in plants increases due to :
Which of the following is the treatment of water pollution?
What are the main components of Bronze Alloy?