Q1.During a space rocket launch, the rocket lifts off and flies into the sky. At this time, parts of it, like the empty tanks and used engines, fall back to the Earth. Sometimes things go wrong and the entire rocket may fall to the Earth. Based on this, which is the most suitable location of a rocket launch pad? 1) near the ocean 2) on a hill station 3) in the middle of a city 4) near a large farmland