subject
Chemistry, 04.05.2021 01:00 dhcuajbfrhcyx

You are an archaeologist who uncovers a new site of early human activity. Currently, there is evidence of humans living in
this area from 8000 to 22,500 years ago. A few bones are found
at the site including a human skull. A current skull contains a
carbon-14 count of 10,000. The fossil skull contains a carbon-14
count of 312.5. How does your find affect knowledge of early
humans?
A. This find shows that humans arrived there 28,500 years earlier than
previously thought.
B. This find is consist
ent with what we already knew.
C. This find shows that humans arrived there are 6000 years earlier than previously thought.
D. The fossil is too old to accurately use carbon dating on.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 16:10
Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
Answers: 1
question
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
question
Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
question
Chemistry, 22.06.2019 12:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
You know the right answer?
You are an archaeologist who uncovers a new site of early human activity. Currently, there is evid...
Questions
question
Arts, 17.05.2021 18:20
question
Mathematics, 17.05.2021 18:20
question
Mathematics, 17.05.2021 18:20
Questions on the website: 13722367