You are given a compound that has a melting point of 560 C. You dissolve some of the compound in water and measure the pH of the resulting solution to be 11. You are told that the compound is either KCl, Ca(OH)₂, C₆H₁₂O₆, or H₂SO₄. Which of these compounds where you give? Explain.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

The activity of the modern sample is 1.10 bq . how long does that measurement take?