Question

100 cm role is provided at its midpoint if weight of 3 newton is hung from the 30 cm calculate the amount of heat required to be applied at the 70cm mark to keep it in a balanced​

Answer 1

Answer:

The color of animals is by no means a matter of chance; it depends on many considerations, but in the majority of cases tends to protect the animal from danger by rendering it less conspicuous. Perhaps it may be said that if coloring is mainly protective, there ought to be but few brightly colored animals. There are, however, not a few cases in which vivid colors are themselves protective. The kingfisher itself, though so