Oxygen utilized during oxidation of organic matters

Suspended particles in water

Suspended particles in air

Noise level in air

quickly degraded by natural means

can not be degraded

can be degraded by burning only

disposed in flowing water only

Bacteria

Inorganic chemicals

Oil spills from industry

high decibels of automobiles

a program that places programs into memory and prepares then for execution

a program that automate the translation of assembly language into machine language

a program that accepts a program written in a high level language and produces an object program

a program that appears to execute a source program if it were machine language

hardware

peripheral

memory

Screen