It cannot be prevented because they have not made a cure for it.
Medications will help by reducing the intensity and frequency of cold sores. There is no guarantee of any known medication today, that will prevent cold sores.
The only way to prevent oral herpes is to avoid contact with infected persons.
Cold Weather, or being in below Zero temperature.
Mould Growth in bread is best kept prevented wrapped up in a air tight bag in the freezer, because mould cannot grow in cold conditions
Cold draughts can be prevented in poorly insulated houses by properly sealing windows and doors to prevent air leakage. Adding insulation to walls, floors, and ceilings can also help to reduce heat transfer and keep the house warmer. Additionally, using heavy curtains, draft stoppers, and rugs can further minimize cold air infiltration.
iron curtain (A+)
mountians
timberline (usually referred to as tree line in Canada)
The combined military forces of NATO would have made that a very costly invasion.
Yes; the bomb was a double edged sword...it would end one war and prevent another one...the cold war (the cold war prevented a "hot" war). The US was already preparing for the "cold war" before WW2 even ended!
All cancers can be prevented!
No. tornadoes cannot be prevented.