Unidad 3 Lección D

A train is a type of vehicle that runs on tracks, used for transporting people or goods over long distances. It consists of a series of connected carriages or wagons, which are pulled or pushed by a locomotive, a powerful engine designed to move the train. Trains are powered by various energy sources, including electricity or diesel engines. They are an efficient way to travel, especially for long distances, and are commonly used in many countries for both local and international travel. Trains offer a smooth ride, and their fixed tracks help avoid traffic, making them a reliable form of transportation.

Fish are aquatic animals characterized by their streamlined body and scaly skin. They breathe through gills and use fins to swim in water. Fish are found in almost all aquatic environments, from freshwater rivers and lakes to saltwater oceans. They come in a wide variety of shapes, sizes, and colors, ranging from tiny minnows to large sharks. Some species of fish are edible and are consumed as a major source of protein by humans around the world. Fisheries are an important industry, providing food and livelihoods for millions of people, but overfishing and pollution have become major threats to many fish populations.

The whale is a magnificent marine mammal, known for its colossal size, streamlined body, and marine adaptations. Whales are the largest animals on Earth, with some species reaching lengths of up to 100 feet or more. They have streamlined bodies with smooth skin and a sleek shape that allows them to glide effortlessly through the water. Whales have a blowhole on top of their heads that they use to breathe, and they are known for their impressive spouts or "blows" when exhaling air. They are powerful swimmers, capable of diving to great depths and undertaking long migrations. Whales are known for their complex social structures and vocalizations, often referred to as "whale songs." They are filter-feeders or hunters, depending on the species, and primarily feed on plankton, krill, fish, or other marine organisms. Whales are iconic and awe-inspiring creatures that have captivated human imagination for centuries, representing the majesty and mystery of the world's oceans.

Golf is a sport where players use clubs to hit a small ball into a series of holes on a course in as few strokes as possible. The course consists of 18 holes and typically includes obstacles like bunkers and water hazards. Players aim to get the ball into the hole using the fewest strokes, and the person with the lowest total score wins. Golf is played individually, and it is known for its emphasis on precision, technique, and concentration.