Answer:
+4
Explanation:
The oxidation number of C in carbon dioxide (CO2) is (rules 1 & 2): 0 + (2 x 2) = +4 [Check (rule 3): +4 + 2(-2) = 0] The oxidation number of C in methane (CH4) is (rules 1 & 2): 0 – (4 x1) = -4 [Check (rule 3): -4 + 4(-1) = 0].
Answer:
Explanation:
This link will take you to a work sheet that I think might help.
Asteroids are made up of metals and rocky material , while comets are made up of ice ,dust and rocky material.
Answer:
Second one
Explanation:
I think it's the second cause there's no energy w/o heat. So it's the second.
D, you can't see ultraviolet rays and other similar frequency waves with the naked eye.