I *think* through weathering and erosion. Hope this helped
Is this the whole answer?
1. Physical
2. Chemical
3. Physical
4. Physical
5. Chemical
6. I really don't feel like doing 6, sorry.
7. False: energy to mass
11. False: change to exothermic
12. False: change to endothermic
Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)
The awnser would be c i got you fam