Students performed a lab where they measured hydrogen ion concentration after pouring 10 four different acids into separate beakers containing 200 mL of water. The table shows [H+] for each of the resulting solutions. Based on the information in the table, which is the strongest acid?
Solution A
Solution B
Solution C
Solution D​

The teacher is mostly talking about the distillation of a mixture

I'm sorry but i'm only grade

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.