Answer:
mechanical digestion is the physical part of digestion
Answer:
Explanation:
The de
velopment of airbags began with the idea for a system that would ... of deaths or serious injuries decrease when an airbag and seat belt are used, ... An airbag must be able to deploy in a matter of milliseconds from the initial ... as hard as stone-- not the protective cushion you would want to crash into! ... Reactants ...
Chemical Bond
because they are chemically bonding
