How long should you hold the iron on the hair to heat the strand and set the base ? A) 5 seconds
B) 15 seconds
C) 30 seconds
D) 1 minute

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

Which states of matter have particles that move independently of one another with very little attraction?