Answer:
15.5 km
Explanation:
1.55 x 10^4 m means 1.55 x 10000 = 15,500 m
1 km = 1000 meters
To convert to km we divide by 1000
So 15,500/1000
= 15.5 km
The carbon is considered because it is form by oxygen atoms
It will be easier to answer if you show the choices.
Answer:
Co2 answer
Explanation:
just add them all you will be able to get the answer