A hunter pauses for 45-seconds to sharpen his stone spear while hunting, Four small fakes of stone fall off the spear onto the ground below him. If an archaeologist finds these four small flakes in 700 years, is this small 2 foot by 2 foot area an archaeological site?
a. Yes
b. No

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