Part B: Chalk and sea shells are both made of calcite. Another student designed an experiment that is exactly the same but instead of a piece of
chalk, the student uses equal size pieces of sea shell. Write a hypothesis for
this student's experiment.

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

The time that is taken by neptune once around the sun is called

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?