Guys pls helo me, i really need it :( pls and thank you!

Is the tough fibrous membrane surrounding a bone. intra peri inter poly

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

During weight training, when should you exhale? (hope) a. on the lift b. on the recovery c. before the set d. after the set