Question

who discovered how gravity affects objects on earth?
○ francis bacon
○ rené descartes
○ robert boyle
○ isaac newton

Explanation:

Francis Bacon was a philosopher and scientist known for the scientific method, not gravity. René Descartes was a philosopher and mathematician with work on geometry and philosophy, not gravity. Robert Boyle was a chemist known for Boyle's law. Isaac Newton is famous for formulating the laws of motion and universal gravitation, explaining how gravity affects objects on Earth (e.g., the apple falling story relates to his gravity insights).

Answer:

D. Isaac Newton