Firefighters take a test, meaning they perform job-specific tasks such as running up and down stairs, dragging weight, and climbing a wall.

b hope this

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail

heyo, whats up

when you sing louad enough the vibration of you voice is able to shatter glass so yes vibration is your answer

if this mark brainliest i wolud be happy and have a great day you!

answer; through play and social interaction;