Answer:
The answer is below
Step-by-step explanation:
A. Robert Hooke worked in England
B. Robert Hooke did his research in the year 1665
C. Some of the Robert Hooke's discoveries are Cells, the law of elasticity, the fifth star in the trapezium, phenomenon of diffraction.
D. Hooke's discoveries important to the study of cells because it led to the discovery of cells and the creation of the cell theory