Best Answer: First true and second false.- ... Isotopes of an element have different atomic masses is TRUE. An isotope is an element, say carbon for example, that ...
Absent-mindedness is where a person shows inattentive or forgetful behaviour. It can have three different causes: a low level of attention (blanking or zoning out) intense attention to a single object of focus (hyperfocus) that makes a person oblivious to events around him or her;
Absenteeism in employment law is the state of not being present that occurs when an employee is absent or not present at work during a normally scheduled work period. No-fault: Absences are considered no-fault.. 2  No attempt to classify an absence as excused or unexcused is attempted. 3  Each employee is allowed a certain number of days off from work, at their discretion.