Find a long narrow hallway and, by changing the pitch of your voice (in other words, singing), find a resonant frequency. You should be able to detect a pitch that's slightly louder or more clear than other pitches. In your initial post to the discussion, respond to the following questions: What factors determined that resonant frequency

The big glowy thing is called the sun it is a star in our galaxy and is over 1 million degrees

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached

//(b) both involve the use of levers;