Which is evidence that scientists use to support the big bang theory?
a. there is constant cosmic background radiation.
b. galaxies are moving toward each other.
c. a loud explosion can be heard in the radio frequencies everywhere in the universe.
d. hydrogen and helium are the most abundant elements in the universe.

Which of the four varnas are soldiers placed in? a. sudra b. brahmin c. vaishya d. kshatriya

What words in the preamble to the constitution reflect the principle of popular sovereignty

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine