Question

one of galileos contributions to science was creating the coordinate plane system. developing the scientific method. improving the telescope. inventing the astrolabe.

Explanation:

• The coordinate plane system was developed by René Descartes, not Galileo.
• The scientific method was refined over time by multiple scholars, not solely created by Galileo.
• The astrolabe predates Galileo, so he did not invent it.
• Galileo significantly improved the telescope, using it to make groundbreaking astronomical observations.

Answer:

improving the telescope.