How do scientists know that earth's magnetic poles have reversed many times during history

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

Sarah’s friend had been binge drinking and was intoxicated. sarah immediately called 9-1-1