What is an efficient strategy for preventing fire damage following an earth quake

All forces cause motion? true or false

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.