It would be appropriate to use Astronomical Units (AU) to measure the distance between which of the following?
A atoms
B. galaxies
C. countries
D. planets

Astronomers use astronomical units - or AU - to describe solar ... Follow the links below to learn more about this basic distance unit in our solar ... Mean distance from sun to some dwarf planets, in AU. ... For general reference, we can say that one astronomical unit (AU) ... I hope your students finid it useful!

Explanation:

i think the answer is b.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.