one adult man requires 3,820 MJ (912,500 calories) of food energy per year. How may adult men could have their energy needs met by this hectare of farmland if they consumed the soybeans directly? show your work to one decimal place. Show all of your work and clearly label each step

What causes temperature extremes in the desert

What happens to the amount of waste in the pond as the ecosystem ages?

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.