Animals move for a variety of reasons, such as to find food, a mate, a suitable microhabitat, or to escape predators. For many animals, the ability to move is essential for survival and, as a result, natural selection has shaped the locomotion methods and mechanisms used by moving organisms. Animals move from one place to another in search of food and to protect themselves from their enemies. they also move to escape from the harsh climate. Animals move from one place to another in search of food, water and shelter. Animals which do not move from one place to another are called sessile animals. Examples: Sponges and Hydra.

A map is a symbolic representation of selected characteristics of a place, usually drawn on a flat surface. Maps present information about the world in a simple, visual way. They teach about the world by showing sizes and shapes of countries, locations of features, and distances between places. Symbols are small pictures that stand for different features on a map. A symbol is often drawn to look like what it represents. For example, a triangular shape is often used to denote a mountain.

Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. Weather refers to day-to-day temperature and precipitation activity, whereas climate is the term for the averaging of atmospheric conditions over longer periods of time. Types of weather include sunny, cloudy, rainy, windy, and snowy. One of the most significant factors that affects weather is air masses. Air masses cause warm, cold, stationary, and occluded fronts.

A festival is a gathering of people to celebrate something. It can also refer to a particular day or group of days when people in a country have a holiday so that they can celebrate something. Festivals may be religious festivals. Festivals often serve to fulfill specific communal purposes, especially in regard to commemoration or thanking to the gods and goddesses. Celebrations offer a sense of belonging for religious, social, or geographical groups, contributing to group cohesiveness. According to different religions, festivals have been organised in different categories. The main festivals in India which are celebrated nationwide are Ganesh Chaturthi, Diwali, Eid-Ul-Fitre, Diwali, Durga Puja/deshera, Holi, Christmas etc.

Communication is simply the act of transferring information from one place, person or group to another. Every communication involves (at least) one sender, a message and a recipient. ... These include our emotions, the cultural situation, the medium used to communicate, and even our location. “Communication is the process of passing information and understanding from one person to another.” In simple words, it is a process of transmitting and sharing ideas, opinions, facts, values etc. from one person to another or one organization to another.

Dirty water containing chemicals is put back in the river. Water used for cooling is warmer than the river itself, and this is also a form of pollution. People are sometimes careless and throw rubbish such as bottles and crisp packets directly into rivers. ... Polluted water also carries diseases. Rivers get polluted because of a number of reasons: Sewage And Waste Water: Sewage, garbage and liquid waste of households, agricultural lands and factories are discharged into lakes and rivers. These wastes contain harmful chemicals and toxins which make the water poisonous for aquatic animals and plants.