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 ca
lculate 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.
Set up a proportion: Central Angle/360= arc length/ circumference where the central angle= 45 and circumference= 128 ft. After you cross multiply, you should find that the answer is 16ft which is A.
when salt is in the water, it's the slightest bit denser, or thicker, than normal water because the salt dissolves intoit . it's not noticeable by normal people.
