Question

how did galileo galilei contribute to modern science? select all that apply.
he contributed to laws of motion.
he improved the telescope.
he supported copernicuss ideas.
he developed calculus.
he invented the printing press.

Explanation:

Galileo Galilei improved the telescope, which was a major contribution to astronomy and modern science. He also supported Copernicus's heliocentric ideas. He did not contribute to the laws of motion (Newton did), did not develop calculus (Leibniz and Newton are credited for that), and did not invent the printing - press (Johannes Gutenberg is credited for that).

Answer:

He improved the telescope.
He supported Copernicus's ideas.