C. They are based on evidences obtained from investigation
Answer: Gaseous Hydrogen Layer
Explanation:
The reason the deepest layer that this probe was able to directly sample is just the gaseous hydrogen layer is because Jupiter's upper atmosphere is about 88–92% hydrogen and 8–12% helium by percent volume of gas molecules. So the 200km this problem was able to cover is still composed of gaseous hydrogen.
Color hardness Streack clevage or fracture
Answer:
They can collect some marine objects like shells and also the fresh winds are due to the physical features.
Explanation:
Waves, tides and currents are the responsible to the erosion in coastal areas, this physical feature will give some benefits to the people there because the movement of the waves can bring to the beach some shells to sell or some crabs to eat.
Also coast are dynamics, that mean, that they move faster in their content, giving some reasons to visit the beaches as touristic places.
Waves and tides of coast also can be attractive for some boats (or practicing sailing) or other aquatic sports like surf.
Hope this information is useful.