Hey, for #1, it's 1, 1, 1 because it's already balanced!
For #2, it's 1, 2, 1, 1 since the product side has 2 Cl's but left side only had 1.
The universe includes galaxies, the solar system, and planets. The accelerated expansion of the universe was provided by the Supernova Cosmology Project and High-Z Supernova Search Team. Thus, option B is correct.
<h3>What is Supernova Cosmology Project?</h3>
The Supernova Cosmology project in 1998, was to show the acceleration of the Universe's expansion. This project studied the acceleration rate of the universe that was expanding at a constant rate.
The Viking and Voyager missions were the first successful landing of spacecraft on the moon's surface. That didn't provide any information on the universe.
Therefore, option B. Supernova Cosmology Project provided evidence of the expansion.
Learn more about Supernova Cosmology Project here:
brainly.com/question/12534160
#SPJ1
C18H24N2O6 is the chemical formula
