Seismologists calculate the difference in the arrival times of p waves and s waves at a single detecting station in order to estimate which characteristic of an earthquake? a. intensity b. magnitude c. location d. distance

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

sounds good to me mate!

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answer; (false);