Answer:
The answer is C) In additions to employing teachers, high schools today are increasingly employing career coaches.
~DjMia~
Rule of thumb is a guide or refs principle of some sort. For example, "as a rule of thumb, I do not begin big projects until the weekend." I hope this helps.
Do they sound right in the sentence and do they match the context
Answer:
Although the terms "climate change" and "global warming" are sometimes used interchangeably, they have different meanings. Similarly, the terms "weather" and "climate" are sometimes used interchangeably, despite the fact that they refer to events with vastly distinct spatial and temporal scales.