How does phytoplankton produce energy?Question:How does phytoplankton produce energy?Plankton:Plankton belong to several different taxonomic kingdoms. There are over 5,000 species on earth. One important type of plankton is phytoplankton. Phytoplankton are classified by the method they use to make food...
With the increasing demand for energy such as oil and gas, people start to look for their sources in remote and untouched places. Do the advantages of this development outweigh the disadvantages? Give reasons for your answer and include any relevant examples from your own knowledge or experience...
You should spend about 20 minutes on this task. The diagram below shows how geothermal energy is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. The diagram shows that there are fi...
One way to compare lamps is by looking at how much energy they need (measured in watts) to produce the same amount of brightness (measured in lumens). Dividing these two numbers, we get the number of lumens each lamp can produce for a single watt of energy. Looking at the chart here,...
专业英语四级模拟试卷681 (题后含答案及解析) 题型有:1. DICTATION 2. LISTENING COMPREHENSION 3. LANGUAGE KNOWLEDGE 4. CLOZE 5. READING COMPREHENSION 6. WRITING PART I DICTATIONDirections: Listen to the following passage. Altogether the passage will be read to you four times. During the first read...
We found that a combination of ecological and social challenges do produce the brain size we see in humans. But it was ecological challenges that expanded brains. In contrast to the dominant view and our own expectation, we found that social challenges contributed by decreasing brain size. But ...
Create Energy Through Movement When you’re wondering how to get motivated when you have no energy, movement is often the answer: Take short walking breaks Do quick stretching sessions Use standing or walking meetings Include movement in your routines ...
Nuclear power has been called a clean source of energy because the power plants do not release carbon dioxide. While this is true, it is deceiving. Nuclear power plants may not emit carbon dioxide during operation, but high amounts of carbon dioxide are emitted in activities related to buildin...
So when the UPS is supplying energy, the batteries pump DC through an inverter to produce AC. A UPS is often combined with a surge protector and voltage optimization equipment to produce a resilient power supply capable of surviving spikes, surges, over-voltage, under-voltage, or a complete ...
Because you can produce hydrogen from water through electrolysis, the United States could increasingly rely on domestic sources for energy production. This could also do away with some of the inefficiencies and environmental hazards of shipping fuel across international waters. Other countries are also ...