The amount of combat experience you get depends on the amount of damage you cause. Every time you hit another player or an NPC, you get experience according to this damage - not just when you kill him.
50 Fishing XP 77 Cooking XP
35
just try making it and see how much xp u get
usually each trout gives you 50xp
Magic Logs give 303 xp per log when you burn them.
101,333 xp.
1 piece=15xp so 1 inventory is 420
In Runescape, You receive 65 Magic XP for every High Alchemy spell that is cast.
Cooking a tuna give 100 exp. It also heals 100 life points.
15
30XP
Babydragon bones give 30 prayer xp per bone if you bury it.