What causes scientists to disagree? A. Many scientists do not use the scientific process. B. Some scientists are better than others. C. They have unique perspectives and skills. D. Scientists disagree to get attention.

I would say C) They have unique perspectives and skills.

Just because everyone doesn't think the same things, everyone have a different opinions. (:

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.  

explanation:

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .