Chemistry, 25.08.2019 10:30 natalie2sheffield

Which of the following shows a periodic pattern?
a. there are two ducks in one pond.
b. there is meat next to the cheese in the refrigerator
c. a boy waits five minutes to talk to his father
d. the mother takes her medication everyday at seven

Answers: 1

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Which of the following shows a periodic pattern?
a. there are two ducks in one pond.
b....