Disintegration is the word geologists use for a. when a rock becomes moist. b. when rock is physically broken into smaller pieces. c. when rock is chemically broken into smaller pieces. d. when rock undergoes a rather large chemical change.

What statistics are to determine the development of a nation?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

The caste system in india was used for what purpose? a) to ensure that all people had an adequate income b) to prevent the rich from taking too much power c) to provide social control and conformity according to one’s birth d) to draft a military capable of defending india from mongol invasion