what is right about X-ray Telescopes:X-ray telescopes are located in orbit around the Earth because: X-ray telescopes are locate
d in orbit around the Earth because: X-ray telescopes are cheap and easy to launch into space. there are too many X-ray telescopes on Earth, so now they are put in space. the X-rays that come out of the telescopes are dangerous to humans. X-rays don't reach the surface of Earth. X-ray telescopes on Earth would have to be too big.
Due to the atmospheric absorption, the X-ray telescopes must be placed in the orbit to a higher altitude of 86,500 miles and as to detect the penetrating X rays that are used to study the soft radiation and to get a clear view of the universe.
Agriculture provides employment opportunities for rural people on a large scale in underdeveloped and developing countries. It is an important source of livelihood. ... These rural units fulfill merely local demands. In India about 70.6% of total labour force depends upon agricultur
