Which statement best describes the role of phosphorus in the body? a. used to build proteins b. converts food to energy c. used to build genes d. weakens strong bones and teeth

What element does susan b. anthony include in this passage to strengthen her argument?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

If a grape were placed in a hypertonic solution what would happen and why?