You analyze the ratio of radioisotope carbon 14, or ¹⁴c, in these fossil bones. ¹⁴c has a half-life of about 5,000 years. you calculate that these fossil bones have about 12.5% of their original amount of ¹⁴c left. based on this, you calculate that the fossil bones and thus the age of this human habitation site are around.

Directions conduct research to collect information and data in order to write a well-informed argument essay responding to the following prompt: do you believe your local power company is doing enough to reduce dependence on nonrenewable energy sources? why or why not? remember that your argument essay should contain: a claim supporting evidence connected to your claim an acknowledgement of counterclaim(s) a conclusion after writing your rough draft, reread it and edit it for spelling, grammar, and clarity.