For which of the following examples would carbon-14 dating be appropriate for dating?
a.
6,000-year-old seeds from an ancient culture
b.
a 65-million-year-old dinosaur fossil from china
c.
mineral formations in caves that are a million years old
d.
90,000-year-old rocks in the grand canyon

Write a 150-word essay describing the effect of people's activities on the environment in the region.

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

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