Astronomy !

astronomers are getting information about dark energy from

a)the existence of dark matter

b)the number of stars in the sky

c)the fact that gases are in galaxies

d)the shape of galaxies in cluster galaxies

What role and side did italy fight on during world war 1? why did they change sides? write this in your own words.

Need asap). based on the government system in the united states, which individual activity is used to directly influence legislative decisions? source: florida department of education. ( a) watching political debates on television, ( b) gathering signatures for a petition, ( c) discussing political issues at work, ( d) collecting opinions for a yearbook. ( question 2) -- i posted a picture of the question and answer choices.

Where did people have to work with great organization to be successful at farming? a. on the yellow river basin c. on the hangzhou bay b. on the yangzi river basin d. on the hubei basin