What is lighter than air but no one can pick me up carefully
if you answers this correctly ill add 10 more pionts to the 100 pionts

a bubble its lighter than air but no one can pick it up without it popping

pleae mark as brainliest

some sources quote the lethal dose, for an average 170lbs opiate-naive individual is between 75 and 375 mg

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.