The first three strong radio sources, discovered by Reber in the 1930s and 1940s, included all of these EXCEPT Group of answer choices supernova remnant. distant galaxy. globular cluster. galactic nucleus

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

don't remove my answer im trying my best to answer them

explanation:

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada

answerdmitry mendeleyev made a workable classification of the elements

490 n

f=125n a=2.5m/s2