This is a diagram of the ear. Which structure is marked with an X?

hammer
anvil
stirrup
cochlea

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

If animal agriculture was eliminated, how much grain would become available for human consumption?