12. which substances has a legal medical use when used as an inhalant?
a. gasoline
b. nitrous oxide
c. solvent
d. varnish

Disaster preparedness procedures should include assembling educational and entertainment materials for children. specifying how information will be shared with families. storing one gallon of water for each person. evacuating immediately if it is safe to do so.

Which is the lipid molecule that controls what types of molecules can pass though?

What region is located between the shoulder blades