The outer planets<span> are further away, larger and made up mostly of gas. The </span>inner planets<span> (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the </span>outer planets<span>, Jupiter, Saturn, Uranus and Neptune.</span>
A or b or c not d you chose
the relationship between mass and volume I known as density
interesting, the moon, the earth, the other things in reality is only a pratice for the real thing....
I'd say that yes, the coronavirus has impacted pollution levels. According to several reports, the pollution level in China has decreased.
