Which of the following is an advantage angiosperms and gymnosperms have over mosses? they do not need water
they are seed-producing so can populate more areas
they can photosynthesize
they can use oxygen

they are seed producing so can populate more areas

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.

i dont know the answe