The earth is a planet. The Earth is a sphere, and it revolves around the sun. A star is a luminous celestial body that has a spherical shape. It is made up of plasma, hydrogen, helium, etc.

kVa and kW are power factors. kVa is a unit of apparent power, which comprises of real and re-active powers, whereas kW is a unit of only real power.

Permutation and Combination are mathematical concepts. They are the different ways in which the objects may be selected from a set to form subsets. This selection of subsets is called a permutation when the...

The main difference between the two cells is that prokaryotic cells basically have no nuclei, whereas eukaryotic cells do have true nuclei. Eukaryotic cells are larger and more complex than the prokaryotic...

The difference between LPG and CNG is what they are composed or consist of. CNG majorly consists of methane gas, whereas LPG has butane, propane and a variety of other chemicals.