1. Ways of communication:

• Verbal communication: This is the most common form of communication and involves the use of words, either spoken or written. Examples include face-to-face conversations, phone calls, video calls, and emails.
• Non-verbal communication: This includes body language, facial expressions, and gestures.
• Written communication: This includes letters, emails, text messages, and memos.
• Visual communication: This involves the use of images, graphics, and videos to convey a message.
• Digital communication: This includes online chat, social media platforms, and instant messaging.

1. Science and technology: Science and technology have revolutionized the world in countless ways. Science is the study of the natural world and seeks to understand how things work, while technology refers to the practical applications of scientific knowledge.

Advancements in science and technology have led to significant improvements in fields such as medicine, transportation, communication, and entertainment. For example, the development of vaccines has helped prevent the spread of deadly diseases, while advancements in transportation have made it easier and faster to travel around the world.

In addition to the benefits, there are also concerns about the impact of science and technology on society. Some worry about the potential misuse of technology, such as the development of weapons or the invasion of privacy. It is important for society to continue to explore the benefits and challenges of science and technology and work to ensure that they are used for the greater good.