consider the reaction between 15.0 ml of a 1.00 m aqueous solution of agno3 and 10.0 ml of a 1.00 m aqueous solution of k2cro4. when these react, a precipitate is observed. what is present in solution after the reaction is complete? note: the solid is not considered to be in solution.

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.