The authors use the word “backbone” in lines 3 and 39 to indicate that

When will division i requirements change? requirements change every four years requirements change every year august 2016 requirements change every other year

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?