Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 Explain the purpose of public opinion polls. Describe several ways in which a sample can be conducted. Which is the most effective? Why?

(05.04 mc) how did the roman transportation system keep the empire strong? plz

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

What do u think caused the size of the roman empire to change