4. The age of the Canyon Diablo meteorite was determined by A) carbon-14
B) uranium-235
C) hydrogen-3
D) potassium-40​

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers