What is water transport? Water transport is defined as the process of moving people, freight and mails by barge, boat, ship, or sailboat over a sea, ocean, lake, canal, and river or by other types of water transportation. It is an important mode of transport. Water transportation is the cheapest means of …
Modes of transportation or Types of transport refer to a combination of networks, infrastructures, vehicles, and operations. These include walking, the road transport system, rail, ship transport, and modern aviation. Different modes of transportation have emerged over time, basically, there are five (5) modes of transportation which are listed below. Five Major …
Transportation and communication are means or processes of overcoming distance. Transportation usually involves carrying or moving goods and people from place to place, while communication involves the passing of news and information from one person to another. Transportation involves such modes as roads, water, air, and pipelines, while communication involves the use …
What is Transport Network? Transport network or transportation network refers to an integrated pattern in which route of group of centres also known as nodes (place of offloading and offloading of goods) are linked by routes. Transport network is the overall system consisting of transport route and mode. Networks are connected through …
Climate change at the global scale Most modeling of the effect of climate change has focused on malaria (Marten and Lefebvre, 1995; Rogers and Randolph, 2002). A recent paper has estimated the potential impact on the global distribution of dengue (Hales et al.,2002). But the potential impact of climate change on other …
Temperatures over the past 10years clearly were the warmest since measured records have been available (Stefan et al., 2003). The year 1998 sticks out well above the long-term trend due to the occurrence of major El Nino events that year (the last El Nino so far and one of the strongest on …
What Is Atmosphere? The atmosphere is the gaseous layer that surrounds the earth and marks the transition between its surface and space, It is made up of numerous gases such as nitrogen , oxygen and carbon dioxide etc. Some scientists stated that the atmosphere i s about 35 years old; its thickness …
What is a mountain A mountain is defined as mass of rock considerably very high occupying a vast area of land. This is made up of higher altitude and steep slopes. This altitude may reach to several thousand metres from the sea level. Some of the mountains may be located in isolation. …