Natural gas in its native state is colorless and odorless. Mercaptan is the additive that is added to natural gas to make it easier to detect in case of a leak.
The beginning of a new thought/ concept/ idea in the piece
Hey friend!
You stuck?
There are two inner planets that have no moon. Mercury, and Venus. Only Mercury has hardly any atmosphere. Therefore, Planet A is Mercury. Venus which is composed primarily of carbon dioxide with a small amount of nitrogen is considered a planet with a dense atmosphere. Therefore, Planet B is Venus.
Hope this helps! {Don't forget Brainliest!} :)
1. A. <u>make the same basic argument </u>✔
2. B. <u>second</u> ✔
3. 1, 3, 4,
