1 Which of the following is an example of periodicity? a. eating breakfast
c. writing a letter b. hitting a home run d. sneezing

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.