Well it has to "get" pregnant first but it usually takes up to 8 weeks i think
Yes, a cat can have anwhere from 1 to 6+ babies at a time
As much time as you can give your cat, or as much time as the cat can take from you...
around one week
Yes it is definently possible to train a mean cat. It will take time and much patience to train a mean cat.
Take her to the vets to have an ultrasound.
The cat has the biggest amount of babies at once.
It means to take a nap for a short period of time much in the way tha cats do.
1-7 a liter 1-5 liters
No. Cats will not hurt your baby if you take her kittens away. Your cat may just not be fond of babies because of their noises, smells, or attention. But as far as I know most cats are fond of babies or at least tolerate.
As much as they can take
No, but a mom cat could ignore and not feed a kitten she thinks won't survive. However, you shouldn't handle kittens too much because they need time with mommy.
It can happen several times, about up to three-maybe four times.