The average time spent on food growth on collection averaged across all humans ie in the global human day is 0 8 h person day 1 1 a Estimate the total daily rate of somatic energy in J per day that is currently invested globally by all persons in this activity Assume an average total MET for this activity of 4 an energy consumption of 1 1 W kg per MET and average human mass of 50 kg b Assume each person in the global population consumes 10MJ of food energy per day which represents the total energy provided by all food growth and collection What is the ratio between this total food energy provided to all humans and the food energy consumed in order to do the agricultural activity in part 2 2 In other words how many joules of food energy are provided for every