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.

What is drought? what problem can cause?

Which number shows the location of the united kingdom of great britain? 7 5 2 4

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j