The great migration during world war i refers
to the movement of
(1) factory workers from the northeast to the
sun belt
(2) communists deported to russia as
undesirable aliens
(3) african americans to northern cities to find
work
(4) refugees fleeing from eastern europe to the
united states

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ