Though it ended decades ago, the British Empire is still germane to a discussion about African politics. In this sentence, what does "germane" mean?
a. Necessary
b. Relevant
C. Likely
d. Obvious

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