Answer:
CH4 is covalent
Cu2S3 is ionic
Explanation:
the following in order:
1) conifer
2) gnetophyte
3) ginkgo
4) cycad
you can see the answer at the pic
1. volume
2. pressure
3. moles
4. temperature
5. temperature
6. moles
7. pressure
8. volume
9. pressure
10. volume
