Student question: is the brain located in the torso?
Teacher response: The detailed solution is: The brain is located inside the head. The head is located on top of the torso. The torso contains the heart, lungs, and stomach..

Student question: Has a tumulus been discovered on Mars?
Teacher response: The detailed solution is: A tumulus is a mound of earth and stones raised over a grave or graves. A grave is a location where a dead body (typically that of a human, although sometimes that of an animal) is buried. Mars has only been explored by unmanned spacecraft. Evidence suggests that the planet was once significantly more habitable than it is today, but whether living organisms ever existed there remains unknown..

Student question: Is helium the cause of the Hindenburg explosion?
Teacher response: The detailed solution is: The Hindenburgh was filled with hydrogen. Helium is considered a noble, inert gas that doesn't react. Hydrogen is highly flammable..

Student question: Could Javier Sotomayor jump over the head of the average giraffe?
Teacher response:
The detailed solution is: Fully grown giraffes stand 4.3–5.7 m (14.1–18.7 ft) tall. Javier Sotomayor is the current world record holder in the long jump, with a personal best of 2.45 m (8 ft 1/2 in)..