Pl which is true about scientific method? scientists use scientific method informally to test the hypothesis. scientific method provides a formal, organized way for scientists to perform research. scientific method is just common sense. scientists manipulate the independent variable so their hypothesis is confirmed. scientific method is never used informally by non-scientists.

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

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.

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal