All the different populations in a specific area or region at a certain time represent which of the following?

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus