Answer:
Many people confuse me with a vegetable, but I'm actually a fruit. I'm red when I'm ripe, and I'm sliced and served on burgers.
It is basically a cake made of cow.
What is round, has a twin, and sees more than most?
What has ears but can't hear?
We are a round stone fruit with juicy yellow flesh and downy pinkish-yellow skin that is often sweet or tart in taste. What are we?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?