Nitrogen is 78.08% of the air is fills the earth's atmosphere.
Answer:
It get thicker beacause the mid ocean
Explanation:
Because when it gets moved back the heat rises and it builds up to be thicker.
57.0 is it rounded to three sig figs. You count three spaces then round from there, which would be the zero and you would round down because the four is there.
Answer:
C) quartz
Explanation:
Quartz is a common mineral. Also, quartz isn't a metallic substance. I'm hoping that this helps :)
