This could be either c or d because technically, sodium ions and chloride ions are the most abundant, not sodium and chlorine, and there is also a significant amount of calcium in seawater. The answer you're looking for is most likely d but check with your teacher to be sure! (it is not A or B as salt is not an element, but rather a type of compound)
Answer:
D
Explanation:
I am not 100 percent sure
Answer:
2 physical: eating unhealthy, not exercising
2 social: being around bad influences, not being in a safe relationship
Renewable resources need to be protected
