When I throw a ball at the ground it bounces back because of a. Gravitational Potential Energy
b. Nuclear energy
c. because its bouncy
d. Elastic Potential Energy

Gravitational potential energy

A- Gravitational potential energy because when you throw it it bounces back instead of staying on the ground

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.