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Tree and then plant kingdom is the largest species, belongs to the top of the plant kingdom, and man in the animal kingdom and even all known organisms is the top of the top, tens of thousands of years ago there was a poisonous gas on the earth, this poisonous gas, produced by plants, it is oxygen, at that time the species on the earth were extinct only a few adapted to this gas, and most of them are trees in plants (trees, woody are divided into trees and shrubs Plants are divided into herbaceous and woody) Trees are one of the longest-lived species known in nature, Therefore, it can be called the wise man of nature, and it is also one of the tallest species on land, and it is also responsible for 90% of photosynthesis, so it is also the guardian of nature. The tree absorbs the nutrients from the soil, but the leaves he falls slowly decay and decompose into dirt within the soil. People should also be as tenacious as a tree and learn to feed back, not to be a wall grass.
There is an old saying that trees are very popular, that is, people are social animals and cannot try to break away from the group, just like trees, otherwise they will not be able to survive. The trees are all stretched upward, and in the woods, the tall trees occupy more sunlight, and the smaller ones are smaller, so the tall ones grow faster than the small ones, and the human society is also that everyone wants to be a good person, but some people are born in rich families, and some are in families without money, just like some books grow in the south and some in the north. People are very similar to trees, but unlike trees, they only have one heart to move upward, and some people are arrogant and vain, and some are willing to fall.
Therefore, people want to live like a tree, not be troubled by external factors, be positive, and contribute to the whole nature without asking for anything in return.
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Trees are the wise men of nature, and they are one with nature and live in harmony for mutual benefit. Trees are the wise men of nature, they know how to forbear, they have never forgotten their original intention in the face of difficulties, they want to be a solid fortress, resolutely stand there, they endure all kinds of hardships of nature without regrets, still adhere to their original dreams.
Trees are strong beings of nature, they are fearless, they are strong and upright, they do not compromise on any difficulty, you can break them, you can uproot them, but you cannot bring them to their knees. Trees are messengers of nature, bringing life and hope. Trees are the wise men of nature, they are not afraid of difficulties, they move forward bravely...
We want to live like oaks. Not afraid of hardships, unswervingly have a beginning and an end, and learn to forbear.
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I think the first thing that comes to mind when you hear about nature is the forest. At least that's what I think, the reason why the tree is the strong and wise man of nature has something to do with his own lack of desires... As long as the conditions are right, the tree will take root, and will continue to copy its own group, so that its team grows, and the tree has never affected the survival of others, but to bring a better living environment to others...
Does that count?
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The roots of the tree are deeply rooted in the soil, absorbing the essence of the earth but not exposed, showing a piece of verdant green to the world without being delicate and easy to defeat, perhaps this is where its wisdom and strength lie! On the contrary, there are many people who are in a hurry, brave and unscrupulous, but want to be generals, and often end up defeating. Sometimes, it's better to gather forces in the dark, and it's better to keep the light and keep the dark!
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Trees certainly have life.
The growth from childhood to adulthood is the testimony of life.
But trees can't talk to each other like people.
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Trees are alive, and as a plant, they are also composed of cells and have vital signs. But trees don't have brains like humans and don't have language capabilities, so they can't talk like humans.
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There is life because it too can grow as we do. It's just that he can't speak.
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If your local gas station increases the amount of gas** it charges by 20, it will see a massive drop in its sales. Its customers will quickly switch to buying gas from other gas stations. In comparison, if your local water company raises the price of water by 20%, it will see a negligible reduction in water sales.
People will water their grass with less water than usual and buy a water-saving sprinkler, but they will have a hard time making it possible to drastically reduce their water usage. The difference between the gasoline market and the tap water market is obvious: there are many companies that sell gasoline, but only one company sells water.
As you can expect, this difference in market structure influences the pricing and production decisions of companies operating in these markets.
In this chapter, we'll look at the behavior of competitors, such as your local gas station. As you may recall, if each buyer and seller is insignificant in relation to the size of the market and therefore has little power to influence the market**, then the market is competitive. In contrast, if a company can influence the market for its goods, it means that the company has market power.
In the next three chapters of this chapter, we look at the actions of companies with market power, such as your local water company.
Our analysis of competitive firms in this chapter will illustrate the decisions behind supply curves in competitive markets. Not surprisingly, we will find that the market supply curve is closely related to the production costs of firms. (Actually, this general insight is exactly what you are familiar with from the analysis in Chapter 7.)
But which of the various costs of a firm – fixed, variable, average, and marginal – are most relevant to a firm's decision about supply? As we will see, all of these cost measures play an important and relevant role.
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Trees have a lifespan, and a tree is a tall woody tissue plant that is represented by "branches" and "stems" and "leaves" that can live for decades.
Arbors are generally referred to as trees, with distinctly erect trunks, and the plants are generally tall and have branches that are high above the ground, allowing them to form a canopy. There are many types of trees, and there are also popular sayings that refer to relatively large shrubs as "trees", such as pomegranate trees, tea trees, etc.
Trees are a general term for woody plants, there are trees, shrubs and woody vines, trees are mainly seed plants, only tree ferns are trees among ferns, there are about 8,000 species of trees in China. Divided into banyan trees; Poplar; Willow; cypress, etc. Extended Materials.
The oldest tree in the world is the ginkgo tree, which is native to China. The ginkgo tree in Dinglin Temple in Ju County, Shandong Province, is said to have grown for more than 3,700 years. There is an ancient ginkgo tree in Fuquan City, Guizhou Province, which has been verified by experts to be 4440 years old, which is the longest in the world.
Trees that are more than 1,000 years old include juniper trees, arborvitae trees, yew trees, camphor trees, mulberry trees, dragon's blood trees, sequoia trees, and Lebanese cedar trees.
Extended Materials. The oldest tree in the world is the ginkgo tree, which is native to China. The ginkgo tree in Dinglin Temple in Ju County, Shandong Province, is said to have grown for more than 3,700 years. There is an ancient ginkgo tree in Fuquan City, Guizhou Province, which has been verified by experts to be 4440 years old, which is the longest in the world.
Trees that are more than 1,000 years old include juniper trees, arborvitae trees, yew trees, camphor trees, mulberry trees, dragon's blood trees, sequoia trees, and Lebanese cedar trees.
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Product differences: Each company produces one product that is at least slightly different from the one produced by the others. Therefore, each business is not a ** recipient, but faces a demand curve that slopes to the bottom right.
Free entry: Businesses can enter (or exit) a market without restrictions. Therefore, the number of companies in the market is adjusted until the economic profit is zero.
A little thought about it can list a list of markets with these characteristics: books, CDs, movies, computer games, restaurants, piano lessons, snacks, furniture, and so on.
Monopolistic competition, like oligopolies, is a market structure that sits between the two extremes of competition and monopoly. But oligopolistic and monopolistic competition are completely different. The oligarchy differs from the ideal of perfect competition in Chapter XIV because there are only a few sellers in this market.
The low number of sellers makes fierce competition unlikely, and makes strategic relevance between companies extremely important. In contrast, under monopolistic competition, there are many sellers, each of which is small compared to the market. A monopolistic competitive market differs from the ideal state of perfect competition in that each seller offers a slightly different product.
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We have two assumptions about businesses. First, let's assume that our business competes in both the apple market (where the company is the seller) and the apple picker market (where the company is the buyer). Recall Chapter 14, where competitors are the recipients.
Since there are many other businesses that hire apples and apple pickers, a company has little impact on the amount it gets for selling apples and the wages it pays for hiring apple pickers. The enterprise accepts the ** and wages determined by market conditions. The only thing it has to decide is how many workers to hire and how many apples to hire.
Second, we assume that businesses are profit-maximizing. As a result, a business doesn't directly fater about the amount of workers it has and the amount of apples it produces. It only cares about profit, which is equal to the total proceeds from selling apples minus the total cost of producing them.
The company's apple supply and worker demand are driven by its primary goal of maximizing profits.
The production function and the marginal output of labor.
In order to make an employment decision, 2: Businesses must consider how the number of workers affects output. In other words, it must consider how the number of apple pickers affects the amount of apples it can harvest and sell.
Table 18-1 gives a numerical example. In the first column is the number of workers. The second column is the amount of apples that workers harvest each week.
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Trees are alive, they have cells, tissues and organs, that is, they are alive, and trees also have memories, but trees cannot talk to each other like people.
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The answer is: Yes! Its growth is its life.
1. What is nature?
Nature refers to nature in a narrow sense. It is the material world that is distinct from human society. That is, the inorganic and organic worlds studied by natural science. The natural world exists objectively; It is the basis on which we humans, the products of nature, grow themselves. >>>More
Look at the white clouds in the sky, and this is the language of nature: the white clouds are floating high, and tomorrow will be a sunny day. >>>More
The messenger of spring is the swallow, the messenger of summer is the lotus, the messenger of autumn is the wild goose, the messenger of winter is the plum blossom--- and I, I am the messenger of nature. >>>More
Closing your eyes, sensing nature with your body, inhaling and exhaling, and closing your eyes and concentrating to feel nature are all ways to feel nature.
Loving nature is the material condition on which human society depends for survival and development. All the things in nature that are beneficial to human social life, such as mountains, rivers, plants, birds, animals, earth, rivers, air supplies, and mineral storage, are all important resources for maintaining the "life circle" of human beings. The love of nature is essentially a love for human life itself. >>>More