Looking through his telescope, galileo observed that jupiter had a set of moons, much like earth does. the moons revolved around the planet. this disproved the idea that all objects in space revolved around earth. this means that a) scientific knowledge is almost always incorrect. b) scientific knowledge began only after the telescope was invented. c) scientific knowledge can be revised if better evidence comes to light. d) scientific knowledge can only be gained by using sophisticated instruments.  its c nevermind dont answer

the answer is c scientific knowledge can be revised

c) Scientific knowledge can be revised.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands