Crunches
In my educated opinion, crunches would be the best choice out of these options to build strength. A one mile run builds cardio, sit and reach and gymnastics build flexibility and some strength, crunches is strictly abdominal strength.
one is foodborne illness(food poisoning)
I know at least these 3 things how you can prevent it
1. dont eat spoiled meat or raw meat
2. check the expiration date on like eggs and dont drink unpasteurized milk
3. and dont leave like dairy products out in room temp
Poor communication in the workplace includes lack of communication, incorrect messaging, incomplete directions, and a host of other problems related to speaking, writing and listening.