SCI 200--Unit 3 Challenge 1 with complete solutions 2023

SCI 200--Unit 3 Challenge 1 with complete solutions 2023The standard of living in the United States requires five hectares per person, which is equivalent to a little more than __________. a.) five football fields b.) nine football fields c.) three football fields d.) seven football fields b.) nine football fields n the United States, the standard of living requires about five hectares per person. If every person on Earth required five hectares to live, we would need __________ to sustain the current population. a.) five Earths b.) four Earths c.) two Earths d.) three Earths d.) three Earths Developing nations' standard of living requires __________________, which is a little less than one football field. a.) 0.5 hectares/person b.) 100 hectares/person c.) 10 hectares/person d.) 5 hectares/person a.) 0.5 hectares/person Which three subsistence crops supply over 50% of human caloric needs worldwide? a.) Barley, rice and corn b.) Corn, rice and potatoes c.) Rice, potatoes and wheat d.) Wheat, corn and rice d.) Wheat, corn and rice Which of the following would be considered a subsistence crop? a.) Tea b.) Potatoes c.) Cotton d.) Coffee b.) Potatoes Which of the following is essential for food production? a.) Genetically-modified organisms b.) Level of nutrients in the soil c.) Chemical fertilizers d.) Food supply b.) Level of nutrients in the soil Which of the following statements about meat as a food source for humans is FALSE? a.) Examples of domesticated meat sources include cattle, pigs and chickens. b.) Of the grain grown in the United States, 10% is used to feed animals. c.) Most meat is consumed in developed countries. d.) U.S. citizens eat almost 30 times as much meat as Indian citizens eat. b.) Of the grain grown in the United States, 10% is used to feed animals. Which of the following statements about meat as a food source for humans is true? a.) Domesticated livestock is not an important food source for humans. b.) More than 25 large animal species have been domesticated for meat. c.) About half of the grain grown in the United States is used for animal feed. d.) 76% of all meat is consumed in developed countries. d.) 76% of all meat is consumed in developed countries. Which of the following statements about meat as a food source for humans is true? a.) It takes 16 pounds of grain to produce one pound of meat. b.) U.S. citizens eat about 200 kg of meat per person each year. c.) The majority of the world population eats domesticated livestock. d.) Fish farming is not considered to be a part of agriculture. a.) It takes 16 pounds of grain to produce one pound of meat. War and costs that interfere and prevent the distribution of food are examples of __________ factors. a.) industrial b.) political c.) environmental d.) technological b.) political Food availability and nutrition can be directly impacted by __________ factors such as drought and flooding. a.) economic b.) intellectual c.) environmental d.) political c.) environmental