Answer:
It is number two
Explanation:
beacause a star cluster is a bunch of stars held together by gravity
Then they will most likely slow down unless they do high knees or something like that
Answer:
C. resonating
an object being forced to vibrate at its natural frequency creates resonance
Answer:
carbon dioxide
Explanation:
In addition to carbon dioxide, discussed below, coal plants all produce the following pollutants: Sulfur dioxide, which leads to acid rain. Coal combustion is the leading source of US sulfur dioxide emissions. Nitrogen oxides, key contributors to ground-level ozone (smog) and respiratory illnesses.