Answer:
They weight the same, they're both 1 kilogram
That's <em>false</em>. Visibility has nothing to do with weight.
Carbon Monoxide, Carbon Dioxide, Hydrogen Sulfide, Nitrogen, Oxygen, Methane, water vapor, and a bunch of other gases are invisible, but they all have plenty of weight.
<u><em>Air</em></u> is invisible. If your bedroom is, say, 12-ft long, 10-ft wide, and 7-ft high, then the air inside your room weighs around 65 pounds !
Answer:
killing all of the population if it gets to population of the thing gets to big
Explanation:
The line is called the Prime Meridian.
Hope this helps...