Which of these documents can be considered to be secondary sources? (You may need to select more than one answer choice.)

Choose all that apply:

- Interview Transcript with Arthur Griffin

- "We Shall Overcome" lyrics

- "The Modern Civil Rights Movement A River of Purposeful Anger"

- PBS Documentary “Eyes on the Prize

he describes the bird as "stately."

i hope this

~ash belle

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.