aratiphalphale100 Asked: December 2022 3 give two examples of physical problems arising due to execessive use of mobile phones
aratiphalphale100 Asked: December 2022 4 solar cells are made of a special type of material called semiconductor such asb aluminiuma siliconc borond copper
aratiphalphale100 Asked: December 2022 man can be considered as the first example of wise mana ramapithecusb dryopithecusc neanderthald cro magnan