spermatogenesis results in (a) two haploid cells (b) three haploid bodies (c) one haploid sperm cell and three polar bodies (d) four haploid sperm cells

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters