no it can't.
Most Pokemon can learn that move think of it this way Pokemon that have hands can learn it some Pokemon learn it from the move tutors however some can learn it via egg move only.
defog is not in emerald,
A list of Pokemon that can learn foresight is:VenonatVenomothMachopMachokeMachampHitmonleeHoothootNoctowlYanmaMudkipMarshtompSwampertSableyeDuskull Dusclops
Salamence can only learn Hydro Pump as an egg move in Pokemon Emerald.
golbat can learn mean look
Castform does not learn Thunder as it levels up. Thunder is a TM that you can teach it. (In Pokemon Emerald, Ruby, or Saphire, you can get Thunder in the Lilycove Department Store.)
Most Pokemon can learn that move think of it this way Pokemon that have hands can learn it some Pokemon learn it from the move tutors however some can learn it via egg move only.
Kingdra learns only Dragon dance
Luxray can learn thunder fang.
defog is not in emerald,
Manectric learns Thunder at Level 61.
nosepass
A list of Pokemon that can learn foresight is:VenonatVenomothMachopMachokeMachampHitmonleeHoothootNoctowlYanmaMudkipMarshtompSwampertSableyeDuskull Dusclops
Salamence can only learn Hydro Pump as an egg move in Pokemon Emerald.
golbat can learn mean look
Houndoom cannot learn thunder fang by leveling up. He can only learn thunder fang is when you breed a Houndoom and a pokemon that can learn thunder fang example ( Luxray )
Slalamence