Match each scientist with the correct contribution. 1. invented the telescope A. Galileo

2. discovered four of Jupiter's moons B. Hans Lippershey

3. used math to discover Neptune C. Robert Goddard

4. proposed heliocentric theory D. Johan Galle

5. proposed geocentric theory E. Nicolaus Copernicus

6. designed liquid propulsion systems F. Ptolemy

7. developed the redshift method G. Edwin Hubble

PLZ HELP TY

it is a because im a fod nigba

gays

explanation:

billygate was not one of the scandals

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.