Biology, 27.10.2020 21:50 shanicar33500
A large amount of energy is needed to produce food. In all parts of the world, the energy used to process, distribute, and cook food is greater than the energy used to grow it. In the United States, it is estimated that every Calorie of food on our dinner tables has required 9 Calories of energy to get there. Half a Calorie accounts for the energy used on the farm. The other 8.5 Calories account for energy for processing, packaging, distribution, and cooking. In rural India, twice as much energy goes into cooking a kilogram of rice as was invested in producing it. Energy shortages, such as a shortage of wood for cooking, have caused environmental problems such as deforestation. In poor countries, cooking may require more energy than is used by transportation, heating, and all other uses for energy combined.
1. According to the passage, which of the following statements about food is true?
A. Most of the energy invested in food production goes into distributing the food.
B. More energy is used to grow food on the farm than is used to cook the food.
C. Most energy used to produce food goes into processing, distributing, and cooking the food.
D. In developing countries only, cooking food requires more energy than growing food does.
2. Which of the following points is not discussed in this passage?
A. Packaging is the least costly part of preparing food for sale to the customer.
B. It takes more energy to cook a kilogram of rice than to grow a kilogram of rice.
C. In some countries, cooking requires more energy than all other processes that use energy combined.
D. Gathering sufficient wood to cook food has led to deforestation.
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