1. Calculate the weight of a 6.7 kg rabbit. (3 points)
6.7 kg

6.7 kg

Explanation:

Because of the wording in this question, we can infer that this particular rabbit likely weighs 6.7 kilograms.

the use of electrical signals that transit messages is know as

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."