The way in which new scientific instruments improved the accuracy of observation is they made objects more precise.
<h3>What is a Scientific Instrument?</h3>
This refers to the use of tools for the purposes of scientific research and analysis to get answers about a particular phenomenon.
Hence, we can see that instruments like the microscope and telescope, brought things that were far away or too small into focus so that they could be easily observed and studied.
Read more about microscopes here:
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Explanation:
they were fast and reliable.
easily moved from one place to another
and it was cheap
d.chemical weathering has occured is the answer
<h2>Answer</h2>
While spiral galaxies are bright, elliptical galaxies are dim. Spiral galaxies are hotbeds of star formation, but elliptical galaxies aren't nearly as prolific because they contain less gas and dust, which means fewer new (and brighter) stars are born.