Which of the following events was prompted by ida tarbell's investigative journalism? a. congress passed a pure food and drug act. b. the supreme court broke up the standard oil trust. c. roosevelt invited tarbell to dinner at the white house. d. child labor laws were rewritten.

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