Question

(b) KF की संरचना Nacl के सदृश है यदि KF का घनत्व 2.48g cm
3 है तो K+ एवं F के बीच की दूरी क्या होगी?
उत्तर-​

Answer 1

Answer:

six kingdoms

When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells. A two-kingdom system was no longer useful. Today the system of classification includes six kingdoms