Based on the information in Passage 1, which of the following could be dated using carbon-14 dat-ing?
A) An iron pot found in a cave
B) A rock at the bottom of a quarry
C) An arrowhead made from bone
D) The remains of a house made from stone

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy