Covalent compounds share with each other, whilst Ionic compounds take from each other.
Covalent compounds are composed of 2 or more NONMETALS.
So, it would be CO, since the rest of the compounds contain metals in them.
There are exactly (a). 10.0 and (b). 28.0
Physical change because you didn't change the chemical compound
11.7 g hope this helps and have a great day
The answer is b. as a whole, the species is mutually beneficial to carry on each others traits and exist in the same ecosystem.
