Fossils and Geologic Time Exam 11 of 12
28:22 701:00.00
Put the following periods in correct order from Youngest to Oldest. Put the youngest at the top and place them in order to oldest at the bottom.
= Triassic
Permian
Cretaceous
= Jurassic
Cambrian
= Ordovician
= Mississippian
Pleistocene
Devonian
= Pre Cambrian

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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.