"mp" in music stands for "mezzo piano." Mezzo means medium and piano means soft, so therefore, the musician should play at a slightly reduced volume.
ANSWER
Two different species of mice migrated to the river from different directions.
EXPLANATION
Solved scientifically in my head.
Machines can serve as both a help and a hindrance!
The difference is the money
The correct answer and central theme in Emily Brontë's "Wuthering Heights" (1847) is. Revenge.