تأثير

The process of developing or unfolding; a gradual change that takes place over many generations. In a general sense, it refers to any significant progress or change in a situation.

The act of observing and checking the progress or quality of something over a period of time; supervision.

The action of carefully choosing someone or something as being the best or most suitable; selective picking.

The refusal to accept or comply with something; also the ability of an organism or material to remain unaffected by something harmful.

The state of being abundant, plentiful, or occurring in large quantities, often used for rain, knowledge, or production.

The surroundings or conditions in which a person, animal, or plant lives or operates. It often refers to the natural world and the impact of human activity on its condition.

The action of traveling in or through an unfamiliar area in order to learn about it. It also refers to the search for resources like oil or minerals.

The act of combining different ideas, styles, or substances to create something new and harmonious; synthesis.

The state of being exactly the same or corresponding perfectly in form, character, or function. Often used in geometry, biology (DNA), and logic.

The state of things overlapping or interfering with one another. Frequently used in TOEFL science passages (light interference) or social studies (overlapping cultures).