The smallest blood vessels which are one-cell thick, are called ______
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The substances which have very low ignition temperature and can easily catch fire with a flame are called _____________ substances.
Brownish film formed on iron when left in open is called?
The laws which govern the motion of planets are called ___________________.
Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?
The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?
Goods which are consumed together are called?
______________ scheme by the Central Government aims at providing affordable aviation by making domestic flight charges economically accessible for middle-class citizens of India.