Make sure it has a lot of water, and limit it's time outside. And if you can't limit it's time outside than make sure it is in a shady area outside where it is much more cool.
Shoes do not conduct heat therefore they protect feet from heat.
A dog urinates the same if she is in heat, heat does not affect her urination
They fight.
The tongue and the pads of the feet are where heat is cooled on a dog.
to protect your dog you need to give it all its necessities (spoil it if u must) and keep your dog inside when you go away
You can protect your door from scratches caused by your dog by installing a door scratch protector or training your dog to not scratch the door.
Yes, when you spay your dog, she can no longer go into heat.
No, a dog must be in heat to mate successfully. Otherwise she will not get pregnant.
If a dog will be protecting a cat is only if the dog grew up around the cat and adapted to it, but if the cat protected the dog they will reverse cyclogy and protect each other.
Sorry no
The best way to satisfy a female dog in heat it to provide her with a sensitive but well hung boy dog.
To protect your doors from dog scratches, you can use door scratch guards, train your dog not to scratch, provide alternative scratching surfaces, and keep your dog's nails trimmed.