Match each model with its name and the name of the scientist who created it. Tiles—

1) Geocentric system
2) Copernicus
3) heliocentric system
4) Ptolemy

Boxes—

Name of model
Scientist who proposed model

Which event to improve foreign relations between the united states and china? a. president truman's announcement of u.s. involvement in the "police action" in south korea in 1950 b. president carter's recognition of taiwan in 1979 c. president nixon's escalation of the vietnam war in laos and cambodia in 1973 d. president clinton's proposal to allow china to join the world trade organization (wto) in 1995