Which of these was not seen telescopically by galileo?

a. sunspots
b. venus’ phase cycle
c. four moons around jupiter d. stellar parallax
e. craters and made on the moon

What is hydroelectric power produced by?

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?