TRY IT Classifying Hydrocarbons Use the drop-down menus to classify each of the following structures into one of the four types of hydrocarbons. alkane alkene alkyne aromatic hydrocarbon Intro

Which statement accurately describes the rock layers? layer 8 is older than layer 1. layer 3 is younger than layer 6. layer 4 and layer 10 are the same relative age. layer 2 and layer 9 are the same relative age.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?