15. According to one study, the mass of the entire human population is approximately 290,000,000,000,000 grams. Assuming that 1 ear of corn weighs approximately 130 grams and the average cow weighs 700,000 grams, calculate how many ears of corn are needed to feed the human population in the following scenarios: (a) If humans were herbivores/primary consumers. 200.000.000.000,00 am INT Natrin (b) If humans were carnivores/secondary consumers. 550.000.000 100.000 nami anna matinn he (c) Which type of diet for humans can feed the most people with the smallest amount of corn? Why?

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules, vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?