Energy sources which are pollution free and envronmentallyfiendy are one of the key challenges of wrlds future society. Ateam of roboticits and biologists at IIT-Itituto Italiano diTecnologa in Pontedera (Pisa, Italy), found tha iving plantscan help with electricity. Fabian Meder, Barbara Maz...
What type of energy is needed in photosynthesis? What is the by-product produced from photosynthesis? What are the reactants of photosynthesis? What are the reactants for photosynthesis? What do autotrophs do during photosynthesis? In plants, what is the stroma?
What is the energy source for the motion of gas in the atmosphere? What is the source of energy in the sunshine? What are renewable and non-renewable resources? Arrange these energy sources from highest to lowest percentage of worldwide use: a. pe...
A.About 2 million metric tons of garbage is burned in some power plants in Paris, France each year. B.In a modem society, more and more garbage is produced each year. C.Using garbage is a good way to solve the problem of energy shortage. D.It will be too expensive to use garbage ...
We often read in novels how a seemingly respectable person or family has some terrible secret which has been concealed from strangers for years. 表面上道貌岸然的人或有声望的家庭,却有着骇人听闻,多年不让人知道的秘密,这样的事情我们经常在小说里读到. 《用法词典》 A lie which is half a truth ...
The sun gives us as much energy every minute as mankind uses in a year. At present, we use this energy indirectly, and it is our final source of power.Coal represents the chemical action of the sun on green plants thousands of years ago.Water power results from the rain formed by ...
根据原文第1段The energy which the sun radiates(辐射) goes in every direction. But only a minute part of it falls on the earth可知,太阳向四面八方散发出能量,但是只有一小部分属于地球。短语a minute part of在句中意为“一小部分”,a minute可意为“一点点”,B选项符合题意,故选B。 (2)题...
So, the best way is to encourage power plants to use it. 【1】Why is biomass considered as “ a sort of natural battery”? A. It burns merely plant matter. B. It keeps producing electricity. C. It stores the energy from the sun. D. It produces zero carbon dioxide. 【2】We learn...
Pollen, a powdery substance, which is produced by flowering plants and contains male reproductive cells, is usually carried from plant to plant by insects or birds, but some plants rely on the wind to carry their pollen. Wind pollination is often seen as being primitive and wasteful in costly...
Select the correct answer. Which of the following elements makes up the majority of Earth's atmosphere? a. Oxygen b. Hydrogen c. Argon d. Nitrogen Elements in the atmosphere Although the Earth's atmosphere contains a lot of nitroge...