Explain the qualifications that must be met for any vehicle to go in space.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Convection currents are caused by differences in what two things?