Kaylene is making pasta for her family's dinner, and has a big pot of tomato sauce simmering on the stove. kaylene tastes it and then adds salt. two minutes later she tastes it again but it tastes the same. clearly the added salt did not exceed kaylene's threshold. group of answer choices

difference

Explanation:

Difference threshold is a term used in psychophysics to refer to the minimum difference between two stimuli to discriminate any difference between them. Accordingly Kaylene did not notice a change in the taste of food when she added salt, because salt was not a sufficient stimulus to exceed Kaylene's difference threshold.

1. senate

2.there is no diagram

3.education

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."