colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.
chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.
interphase is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.
the following can go wrong during interphase: a base pair could be mismatched during the duplication process causing a mutation. correct answer: c