Did he discover about magnetism in the oceans crust? 1 The magnetic polarity changes on both sides of the oceans crust
2 the magnetic crust affects the metal on boats and ships
3 The earth’s magnetic field comes from the oceans crust
4the crust is not magnetic near the ocean ridges

the electromagnetic energy from the sun arrives in the form of visible and invisible light.

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.