Human body obtaining food energy: The chemical energy that human beings acquire from healthy or nutritious food materials for living and performing...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
(C)The human(人类) body needs energy, which is provided by the food we eat. But how much do we need to stay healthy?Calories(卡路里) usually decide the energy value(价值) of food. To raise the temperature of 1g of water by 1 C needs one calorie. The number of calories people need...
Your body needs food for energy, and your brain needs the right food to stay strong and think clearly.Healthy foods like fruits, vegetables, nuts, and fish are good for your brain. Blueberries help with memory, while nuts help you concentrate. If students eat more nuts, their may listen ...
Whether fat, protein, or carbohydrate, the body breaks food down to the same energy component: glucose—the main sugar found in the blood. But glucose is actually quite toxic, says Norris, so the body must constantly balance glucose demands, use, and excess. To do this, the pancreas adjust...
Changes in agriculture, policy and personal behaviors can reduce the energy a nation uses to feed itself and the greenhouse gases it emits
Energy from Food:We do work as we convert the energy that is stored in our body. We eat food to obtain the energy that is required for our body to function. Each food has its own calorific value which is the energy that is stored in it. The ...
Food chains(食物链)show how energy(能量) moves. When something eats something else, energy moves. We need food energy to play and learn. How do plants and animals get their energy?All food chains start with the sun, The sun feeds plants. Plants make their own food using the sun, water...
Energy goes from one plant or animal to another. A food chain shows how this energy moves. Each time an animal gets eaten, its energy is passed onto the animal that eats it. The food chain is very important because it keeps the balance of nature. If one part of the food chain disappe...
is an exampleC. Not every industry can be exempted3. The following questions are often discussed among scholars EXCEPTA. How can bosses create favorable conditions for changeB. How can productivity be increasedC. What can workers do to get through change 4. How many suggestions does the ...
More and more people move from the countryside to big cities. Does this development bring more advantages or disadvantages to the environment? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words. Task 2 利弊比较题 城市化...