What is the term for changes that occur in most members of a cohort as a result of factors at work during a specific,
well-defined historical period?

How can you tell the difference between rough er from smooth er?

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.

As scientist had investigated evolution from a variety fields they have found