I think most airlines have opening positions once a year. Check out their websites' career section.

Once your yourself train your dog to be agressive you will be the first victim of the dog.

Think why do you need her to be agressive?

Will it make the dog happy?

Imagine it's a human being, would a person be happy when caused afression.

Always use the golden rule and be greatful to have a dog.

It depends on the assignment.

Some essays can be one page long while some perofessors require 5 pages work in a 12pt format.

If you love your friend, you wouldn't do it at all since you want them to grown, to learn new things and thus you wouldn't take it away from them. By "helping out" today, you ruing their tomorrow.