Calculate the molality of a 10. 0% (by mass) aqueous solution of hydrochloric acid.

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.

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours

El año pasado fuimos a guatemala y nos en el hotel amanecer.