A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed, preferably using a written, pre-defined, protocol of observations and experiments.
Process Engineer Salary. A Process Engineer earns an average salary of $70,876 per year. A skill in Simulation is associated with high pay for this job. Most people move on to other jobs if they have more than 20 years' experience in this field. $52,970 - $97,247.
Most computer hardware engineers make somewhere between $54,000 and $148,000 per year. An entry-level computer hardware engineer with a bachelor's degree in Computer Engineering will start out at a salary between $55,000 and $60,000. Over time a computer hardware engineer can expect to see a salary raise with the more professional experience that he or she obtains.