Select the correct answer from each drop-down menu. An ecosystem now receives far less rain than it used to. The weather also became drier and hotter. Over time, plants with structures that helped them to conserve water became more prevalent than plants that didn’t have those structures. From this information, we can conclude that the plants developed ___because of

hi,

the capital city of australia is canberra.

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.