At birth the cranial bones are not fused so that the head can easily traverse the birth canal. The bones of the hands and feet are not fused so that the wrist and ankles can be more flexable when subject to stress. The bones fuse as a person matures. The carpals and tarsals by the age of 17 usually. The skull by age 2.
To separate the pebbles you should hand pick it,
meaning-from the word itself, you don’t have to use any kind of instrument but
your hand.
On the other hand, to separate the mud you can use
decantation or sedimentation or filtration.
To separate the husk you have to use sieving.
Answer:
Biosphere comprises all the life that exists on earth including animals, plants, water bodies, microorganisms, algae, fungi etc.
If there would be no biosphere on earth the atmosphere would be quite different. There would be no oxygen to support because oxygen is liberated by plants in photosynthesis so no plants means no oxygen. The earth would be a planet without life just like Venus and Mars. Therefore, no organism would be surviving in the world.
There would be no negligible green house effect and global warming since it is all created due to activities of men.The earth's atmosphere would be much cleaner and with lesser amount of CO2 and O2 but no organism would be there to use them.
Hope it help!
It is located in a nucleus like organelle called the nucleoid
