It depends, how you pronounce your name, if it is pronounced," key-ah-nah" than you use the 2nd one. If it is pronounced, "Cah-nah" than you use the first one
Hope this was help
Yes Chicken Has more Protein Than Carrots
It means that "He was watching the mountains carefully."
A smile is using "as" or "like" to compare objects in a sentence whereas a metaphor is without the use of "as" or "like" in a sentence