Use the drop-down menus to select the organic
compound model being described.
1. Shows valence electrons:
2. Shows chemical composition but no structure:
3. Is used most for hydrocarbons; shows lines and
functional groups only:

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?