How are relative dating and absolute dating different?

ARelative dating can only give the date within a million years or so, while absolute dating can give the exact date to within days.
BRelative dating can give the age in years, while absolute dating can only tell whether one rock layer came before or after another.
CRelative dating can only tell whether one rock layer came before or after another, while absolute dating can give the age in years.
DRelative dating can give the age of a rock layer within years, while absolute dating can give the age within days.