Which reference material will best a student understand the grammatical rules associated with a word?
a. a usage guide
b. a thesaurus
c. dictionary
d. glossary

Which theme do all rivers run to the sea and maus share?

Skill check questions rearrange the paragraphs below into the correct sequence. that's because engineers on the ultraclean project have invented a self-cleaning, antibacterial metal surface that repels water with an intricate layer of laser-engraved valleys. when it rains, the lotus does not become damp; the water simply trickles off in fat droplets, taking any bugs and dirt with it. the drudgery may not be around much longer, however, if a team of italian scientists has anything to do with it “it's simply an amazing plant,” concluded professor luca romoli, leader of the project, “and we've succeeded in mimicking it. magnifico! ” few tasks in life hold less joy than scrubbing the ghost of somebody else’s porridge from a saucepan. the starting point for the research was the leaves of the lotus flower.

How does the author use the character of the nurse to develop the social issue of gender inequality? the nurse’s willingness to take care of nora when nora was little demonstrates a woman’s ability to do difficult work. the nurse’s need to give up a child in order to have a job demonstrates a woman’s inability to support herself. the fact that the nurse’s child wrote to her as a young girl and as an adult demonstrates a woman’s ability to keep friends forever. the nurse’s assurance to nora that her children ask for her often demonstrates women’s role in health care.