PLEASE HELP! A study was attempted to find if the length of string in a string telephone affect its sound clarity.

Independent variable:
Dependent variable:
Controlled variable:
Controlled variable:
Controlled variable:

well for some you have to do on your own on a paper but yeah

- "a.) it includes letters and books gathered over 1200 years, and consists of two parts.

- most of the new testament is letters from paul to the different churches, and since there's a new testament that means there is an old testament. "

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation:

i took this test im trying to remember i think it is the first one im super sorry if i remembered wrong!