PTE Fill in the blanks R/W 2.Bonus of Dendrochronology

A bonus of dendrochronology is that the width and substructure of each ring _________ the amount of rain and the _________ at which the rain fell during that particular year. Thus, tree ring studies also allow one to reconstruct _________climate; e.g., a series of wide rings means a wet period, and a _________ of narrow rings means a _________.

Options:
1) covet, reflect, register, copy
2) timing, duration, division, season
3) then, before, past, pass
4) seam, serious, serial, series
5) drought, hardness, humidity, strength