Biết 1 mol nguyên tử iron (kí hiệu là Fe) có khối lượng bằng 56 gam, một nguyên tử iron (Fe) có 26 electron. Số hạt electron có trong 5,6 gam iron (Fe) là 

Tập nghiệm \(S\) của bất phương trình \({x^2} - x - 6 \le 0\)?

Ở mô hình chăn nuôi lợn gắn chip, chip có khả năng ghi nhận thông tin về:

Khi nói về sự sinh trưởng của quần thể vi sinh vật, phát biểu nào đúng?

Phương án nào sau đây nêu đúng số bit dùng để biểu diễn dữ liệu logic?

Mệnh đề phủ định của "nếu $xy = 0$ thì $x = 0$ hoặc $y = 0$" là

a. Omar: That's called the urban heat island effect. Cities with lots of buildings and cars get very hot.

b. Tuan: It's so hot today, but not because of the sun. It's because of the buildings.

c. Tuan: I guess having more parks and trees in cities would help.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 23 to 30.

          Happiness is a universal goal, yet its ingredients differ across societies and cultures. For some, safety and security are paramount, as demonstrated by Singapore. Known for its strict laws and highly regulated environment, Singapore provides a clean, orderly, and safe place for its citizens. The government ensures access to basic necessities such as housing and healthcare, significantly reducing poverty and promoting equality. While personal freedoms may be limited, many Singaporeans find satisfaction in the stability and quality of life their country offers, showing that happiness can stem from collective security.

        In contrast, Mexico highlights the importance of social connections in achieving happiness. Despite challenges like poverty and limited access to essential resources, Mexicans often prioritize relationships with family, friends, and neighbors. Simple acts like sharing meals or gathering in the community foster a sense of belonging and emotional well-being. Psychologists have long noted that feeling part of a larger social group can be a powerful source of happiness, even when material wealth is scarce. For them, the joy derived from relationships often outweighs material concerns.

       The role of money in happiness, however, is often debated. In Mexico, many individuals live in similar financial conditions, reducing the pressure of economic competition. When neighbors lack expensive possessions, individuals are less likely to feel dissatisfied with their own circumstances. This suggests that relative wealth and equality may have a stronger influence on happiness than absolute income.

       Ultimately, there is no universal recipe for happiness. Factors like security, freedom, social bonds, and financial equality all play a role, but their importance varies depending on individual and cultural values. Happiness, therefore, remains a deeply personal and multifaceted pursuit, shaped by our unique perspectives and circumstances.                                                                   

The word them in paragraph 2 refers to________.

Giá trị của hàng hóa được đo bằng gì?

Nội dung nào sau đây không phải thuế trực thu?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 40.

Parents of a Tokyo elementary school are up in arms at being asked to pay 730 dollars for their child's school uniform. A public elementary school in Tokyo's upmarket Ginza district has decided to adopt new school uniforms designed by the luxury Italian designer Armani. The bespoke uniforms, which include a hat and bag, are priced at over 80,000 (730 dollars) each. Parents are angry at the school's decision and are protesting at what they view as the exorbitant price for a uniform of an eight-year-old child. The school said it wanted a designer uniform that represented the rich area of Ginza. School officials visited top department stores and decided to ask the fashion brand Armani to design the uniform.

The expensive uniform has created such a fuss that it has been discussed in Japan's parliament. One lawmaker said that since the school is public and not private, "a certain price range needs to be considered". Finance Minister Taro Aso said. "Clearly it's expensive. It would be tough if a student could not afford to pay for it." Japan's education minister said steps would be taken to ensure the financial burden placed on parents for uniforms, "would not be excessive". Twitter users said young children are not interested in designer clothes. The school principal said. "With humility, I take the criticism that the explanation has been insufficient and not well-timed. I will go on explaining carefully to those concerned."

Who said the price of the uniform was clearly expensive?

Trường hợp không thể trả nợ cho ngân hàng, phải chuyển quyền sở hữu, quyền sử dụng tài sản thế chấp để:

Năm 1903, hai anh em nhà Rai (Mỹ) đã thử nghiệm thành công loại phương tiện nào sau đây?

Theo em, đâu không phải là một hoạt động của nền kinh tế nước ta?

Tìm hệ số của \(x^{4}\) trong khai triển \(P(x)=\left(1-x-3 x^{3}\right)^{n}\) với \(n\) là số tự nhiên thỏa mãn hệ thức \(C_{n}^{n-2}+6 n+5=A_{n+1}^{2}\).

Qua quan sát, A biết thị trường đang rất thiếu mít không hạt để bán. Điều này thể hiện chức năng nào của thị trường?

Sau khi tốt nghiệp THPT, Y đã theo bạn bè rủ rê tham gia vào tệ nạn xã hội. Một lần, khi đang thực hiện vận chuyển, buôn bán ma túy thì bị bắt. Y đã không:

Môn Địa lí không có vai trò nào?

Read the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 7 to 12.

MAKE A DIFFERENCE – VOLUNTEER TODAY!

Let’s look at how volunteering can change lives and improve our community.

Facts and Figures:

Did you know that millions of people volunteer every year? Volunteers help in hospitals, schools, animal (7)________, and community centers. They bring people together, improve lives, and support those in need. Studies (8)________ that people who volunteer feel happier and more connected to their (9)________.

Positive Actions!

●      Find a cause you care about. (10)_________ it’s helping children, protecting the environment, or caring for animals, there are many ways to get involved.

●      Start small and be consistent. Even a few hours a month can make a big (11)________. Volunteering regularly helps build trust and strong connections with those you help.

●       Learn new skills and meet (12)________ people. Volunteering is a great way to gain experience and make friends, all while helping others.