A student measures the length of two pieces of paper as 8.21 in and 8.0 in. What is the total length? Be sure to use sig. figs. in
your answer. Do not include the unit.

What is the formula for calcium iodide

An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?