I think non veg are.
The key to making a vegetable broth is reduce the solid vegetable and extract it's juices. This is done by placing a vegetables in a pot with a little water and cooking them. This will release the juices and create a broth.
No
Of course.
proteins are the best diet for vegetarians so much protein is in an in-n-out veggie burger.
6.9, close to neutral pH.
Vegetable protein is has much less fat than animal protein.
marak yerakot (מרק ירקות)
Yes, albeit a nominal amount.
Soup broth is usually made from meat or vegetable broth. The broth is made by boiling meat or vegetables in water. They are then removed from the water, which flavored by the cooking food, becomes what is called broth.
Vegetarians only use vegetable broth, never a meat based broth.
Physically yes. There isn't very much of a chemical difference between the two (i.e. your dish won't explode if you substitute beef for chicken). However, your dish will taste very different, as beef broth is generally heavier and saltier tasting.