The writing methods of sub-arguments in scientific and technological argumentations are as follows:

1, the impact of science and technology on society: the development of science and technology has changed people's lifestyle. With the progress of science and technology, people's lives have become more convenient and efficient. For example, with the popularization of Internet and mobile communication technology, people can get information and communicate anytime and anywhere, instead of relying on fixed telephones and computers as before. In addition, science and technology have promoted the economic development of society.

2. The impact of science and technology on education: The development of science and technology has also had a far-reaching impact on education. With the rise of online education, people can study various courses at home through the Internet without being limited by time and place. In addition, virtual reality technology has also brought new possibilities for education, enabling students to acquire knowledge through simulated practice and improve their practical ability.

3. Impact of science and technology on the environment: The development of science and technology has also had an impact on the environment. On the one hand, science and technology improve energy efficiency and reduce energy waste and environmental pollution. For example, the development of clean energy technology makes the use of renewable energy more universal and effective. On the other hand, science and technology have also accelerated the depletion of resources and the destruction of the ecological environment.

Three elements of argumentative writing

1. argument: the argument of an argumentative paper is the author's point of view and the core of the whole article. The argument should be clear, concise and convincing. In the process of writing, the argument needs to be closely related to the topic, and it should be clearly expressed at the beginning and end, so that readers can clearly understand the author's position and viewpoint.

2. Argument: Argument is evidence or facts used to support an argument. Arguments can be facts, data, cases, theories, etc. Arguments must be true and reliable and closely related to arguments. In the process of writing, arguments need to be sufficient, detailed and convincing to avoid unreliable evidence or data.

3. Argumentative essay: Argumentative essay is a bridge connecting arguments and arguments. Argumentative writing needs to analyze and reason the argument, so as to draw a conclusion or prove the correctness of the argument. Argumentation needs to be logical, coherent and rigorous. In the process of writing, argumentative papers need to follow certain logical rules, such as avoiding jumping thinking and ensuring reasonable reasoning.