Lithium is the Alkali metal
Maybe you can try to reduce the amount of electricity you use, that should be easy to fill out :)
Answer:
Ans. C. physical change
Explanation:
Physical: boiling and melting are physical changes. When water boils no bonds are broken or formed
Protons: 29
neutrons : 35
electrons : 29
Alpha helix and beta sheets are the secondary structure of protein
