Imagine that these finches did all live on the same island. they were able to co-exist because they survived on different foods. imagine a change in climate, a drought, and certain plants were no longer able to survive on the island. seeds that were a food resource become scarce. you might expect all but one of these things to happen among the finch populations. that is
a) not all of the finches are able to survive.
b) some finches fly to nearby islands to find food.
c) beak shapes changed so finches were able to eat other food resources.
d) finches with beaks adapted for insect catching are more likely to survive.

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.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

the answers are

c and c