Environmental factors that can contribute to our epidemic of obesity include all of the following except?

Ireally need to know this answer asap

Viral infections in plants ) can be controlled with antibioticsb) can spread within a plant via plasmodesmata c) have little effect on plant growthd) are not spread by animals

Petter is a middle aged overweight man who is trying to decrease his body circumstance . how could the serving size on a neutrino label him lose weight ?