Answer:
the waves have a trough
Explanation:
just took the test on edg.
Idk look it up on another website
Answer : The change in boiling point is, 
Explanation :
Formula used :

where,
= change in boiling point = ?
i = Van't Hoff factor = 3 (for MgI₂ electrolyte)
= boiling point constant for water = 
m = molality = 0.615 m
Now put all the given values in this formula, we get


Therefore, the change in boiling point is, 
Answer:I believe its A. There noble gasses so there happy with there electron count!
Explanation: