Which are more likely to be studied by chemistry?

Which rare element would you associate with Marie and Pierre curie? Does argon have similar properties to chlorine? Do nerve cells have cell walls? Are organisms a group of systems that work together to perform life functions? How have technologies such as sonar and global positioning system been used to provide evidence supporting the theory of plate techtonics? How many kilometers are there in 37 miles? What is the SI-Unit fir work? Has a stem but never grows? What is the angle of inclination of the equator from the horizontal? Why do you suppose four appendages is the rule for vertebrates rather than five or six? How do you prepare dry toluene? What settles second boulders or pebbles? What these is the best description of a typical organism in the plant kingdom? What is the main idea of Eye of the storm? Which way does a syncline fold? How would a baby change if one parent was homozygous dominant for all the traits and the other parent was heterozygous? Describe the 4 step sequence of forces involved in an earthquake? What is the hybridization of PCl5? Why is it wrong to say that 50c helium is twice as hot as 25c helium? Why does the Benedict solution change colours when heated with glucose?

Which are more likely to be studied by chemistry?