If we have a sample of wood today that, because of the amount of 14c in it, is undergoing 65536 decays per minute (dpm), and we have a piece of charcoal from an ancient fireplace that is undergoing 8192 dpm, then how old is the charcoal? (hint: think of the decays per minute as the amount you have. if the sample decays at 65536 dpm when new, how fast is the sample decaying after 1 half life? after 2? after …

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location

If u make mistakes on a school trip to knotts like standing up on a ride too early and they ask you not to do it again or and if you do it again you will be escorted out will it go on my student record? yes i know it is a dumb question

Short answer/constructed response: respond to the question in 3-5 complete sentences. give details or examples to support your answer. attempt to answer all parts of the question in paragraph form! using the source 1 map, pick two of the 1800's territorial acquisitions you believe were the most important in the development of the united states. provide at least two reasons per territory to explain why you think they were the most important.