Expert systems: use rules based on human expertise. share characteristics with mainframe computing. solve problems too difficult for human experts. are based on DO WHILE rules. are a type of machine based intelligence.

is this an essay or multiple choice

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long  

the vibration from the sound waves messed with the glass and it shattered.

hope this .

answer; knowledge,reason,and judgement;