Selecting resources with reliable credentials and expertise is?
a. not important, everyone’s ideas are equally valid
b. only important when you are looking for medical advice
c. important for scientific research only
d. important for any information you look up,, on any topic

D. Important for any information you look up, on any topic.

Explanation:

The resources can be considered as reliable and credentials when they consists of information which comes from an authentic source. Also the resource which has been verified by many reviewers who exhibit special knowledge and expertise in the related field of the topic can be considered as reliable and credential.  

Such a resource can be looked upon for retrieving desired information on any topic.  

cock topography

the study of the surface of a large voluptuous cock.

look at that sorostitute right she's a cock topographer!

what classes are you taking this

cock topography!

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.