Adifferent parent-daughter pair in the felsic ash has a halflife of 50 million years. there is 25% remaining. how old is felsic ash?

The tea party movement is a. an official third party that challenges both democrats and republicans in national elections. b. an organized challenge to incumbents in the republican party by the most conservative wing of the republican party. c. an organized challenge to incumbents in the democratic party by the most liberal wing of the democratic party. d. an offspring of the green party that runs for state and local office in many midwestern states. e. the now defunct party that gave way to the republican party at the end of the “second party system.”

This was an act of continental congress which initially organized the first united states territory and was to be the basis for governing how the united states would expand westward.

What contributions did muslims make to astronomey