What is a contributor of global warming?
a. aerosol sprays
b. carbon dioxide
c. acid rain
d. garbage user: currently where are we in the cycle of biodiversity?
a. beginning of mass extinction
b. middle of mass extinction
c. near the end of mass extinction user: who is not effected by acid rain?
a. plants
b. animals
c. fossil fuels
d. lakes

Who owned most of the resources in a market or capitalistic economy? in a socialist or command economy? what determines ownership in a traditional economy. (economies)

What are seismic dampers and why are they important?

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.