Answer:
The main use for hydrogen sulfide is in the production of sulfuric acid and elemental sulfur. ... H2S is used to prepare the inorganic sulfides you need to make those products. As a reagent and intermediate, hydrogen sulfide is beneficial because it can prepare other types of reduced sulfur compounds.
Answer:
1. D. Boat B will cause a change in the position and speed of boat A.
2. B. A collision
3. D.
4. Most likely C
Explanation: