Cold sores are not dangerous or life threatening. But they are contagious so if you have a cold sore don't kiss any one or share things like utensils or cups when you have a cold sore.
NO!
Flying with blocked ears is not necessarily dangerous. However, you want to find out why your ears are blocked before you fly.
No, satellites should not fly on people because they are designed to orbit the Earth or travel through space autonomously. Placing satellites on people would be impractical, dangerous, and inefficient for their intended purpose.
The best weather to fly is on a sunny day. However there should be minimum wind. Wind can cause dangerous accidents.
I am 99% sure a fly is cold-blooded because if you put a fly in a freezer, it goes into hibernation which cold-blooded animals do in the cold. Also by Coolguy2375 Insects are always cold-blooded
They are dangerous because it is so cold you can freeze if you are not wearing very warm clothing.
Yes You can get injured
To hibernate so if the north is to cold then the bird will fly to the south and when th south is to cold the bird will fly to the north a gain
Planes are not generally affected by the cold. But cold may cause some performance issues. Otherwise a plane could surely fly in the cold.
The Cassowary
yes.
A fly's activity level is seriously affected by cold weather. It becomes much less active and if the cold temperatures continue, the fly will eventually die.