Question

Which of the following is typically part of the knowledge base of research and development scientists working on heating devices?(1 point)
Responses

marketing strategies
marketing strategies

sales projections
sales projections

engineering rules and principles
engineering rules and principles

substances and their properties

Answer 1

The option that is typically part of the knowledge base of research and development scientists working on heating devices is:

**engineering rules and principles**

and

**substances and their properties.**

Both of these areas are crucial for the design, development, and functionality of heating devices.