Answer:
1. the problem, the equation, the solution, the multiplication, the division.
2. Literature, composition, grammar.
3. a microbe, an animal, a plant, the microscope, the laboratory.
4. the circle, the arc, the rectangle, the triangle.
5. the piano, the violin, the guitar, the concert, the opera, the choir.
6. the mountains, the oceans, the capitals, the natural resources.
7. painting, stature, sculpture.
8. soccer, basketball, baseball, volleyball, tennis.
Explanation:
I hope this helps you. :)
