sodium ions and chloride ions
I believe it is 3 maybe
Hope I got it right
Answer: I think they form on the Hawaiian islands because of the volcano.
Explanation: The heat may help them form,hope this helps.
If the sun was not there the earth would travel in a straight line
In descriptive investigations, we still haven't formed any hypothesis yet so we seek information by asking question.
It's not repeatable because repeating the questions over and over again without any clue about what we want to seek is completely waste of time.
Hope this helps xox :)