When ian deary and his colleagues retested 80-year-old scots, using an intelligence test they had taken as 11-year-olds, the correlation of their scores across seven decades was . –.16.b. +.06.c. +.16.d. +.66.

i believe your answer is true

sorry if wrong

yes                                            

explanation:

just cause                            

well its is frequent rain

have a good day