A shampoo B. chocolate chip cookie dough
C. tap water
D. air
2. Which of the following is a solution?
A concrete
B. sand and water
C. orange juice
D. apple juice

 B) sand and water

Explanation:

because when you  mix sand and water the sand does not dissolve in the water

po-215 i got it right on the quiz

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer