Professor fisher observes a group of participants over a period of 10 years to chart changes in memory. what kind of research is this?

It is a placed or running longitudinally round something. Though it relates to the length in the dimension of an object or the length of a place. It also includes the repeated measurement or analysis of a set of titles over time with regard to one or numerous research variables.

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think