A. as you move away from the sewage spill, the demand for oxygen falls and then rises. b. the more raw sewage present, the less demand for oxygen. c. when the dissolved oxygen is less than 4 gm/liter of water fish cannot live and the dissolved oxygen will continue to fall. d. none of the above is true.

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls