Biology is such a broad field, covering the minute workings of chemical machines inside our cells, to broad scale concepts of ecosystems and global climate change. Biologists study intimate details of the human brain, the composition of our genes, and even the functioning of our reproductive system. Biologists recently all but completed the deciphering of the human genome, the sequence of deoxyribonucleic acid DNA bases that may determine much of our innate capabilities and predispositions to certain forms of behavior and illnesses.
A technological world requires that humans develop capabilities to solve technological challenges and improve products for the way we live.
Each area of technology has a set of characteristics that separates it from others; however, many areas overlap in order to meet human needs and wants.
Energy is neither created nor destroyed.
Energy can be transformed from one form to another, but transformation between forms often results in the loss of useable energy through the production of heat. Solid, liquid and gaseous earth materials all circulate in large scale systems at a variety of time scales, giving rise to landscapes, the rock cycle, ocean currents, weather, and climate.
Technological design is a creative process that anyone can do which may result in new inventions and innovations. Technological literacy is the ability to use, assess and manage technology around us. Technology is created, used and modified by humans. The cell is the basic unit of structure and function for all living things.
All living things are made up of smaller units called cells. All multicellular organisms have systems that interact with one another to perform specific functions and enable the organism to function as a whole. An object will stay at rest or continue at a constant velocity unless acted upon by an external, unbalanced force.
Batteries store chemical energy and transform it into electrical energy. Bio-related technologies are the processes of using biological mater to make or modify products.
Bio-related technologies are the processes of using biological organisms to make or modify products. Cells carry out the many functions needed to sustain life. Cells grow and divide thereby producing more cells.
Cells take in nutrients that they use to provide energy to carry out their life functions. Communication is the process of composing, sending, and receiving messages through technology.
Communication is the process of composing, sending, and receiving messages using technological devices.
Construction is the process of turning materials into useful structures.
Construction is the process of turning raw materials into useful structures. Decisions about the use of products and systems can result in expected and unexpected consequences. Different body tissues and organs are made up of different kinds of cells.
Earth materials rocks and soils can be classified by their composition and texture and those features can be interpreted to infer the history of the material.
Energy and power technologies are the processes of converting energy sources into useful power. Energy and power technologies use processes to convert energy into power.
Energy appears in different forms and can be transformed within a system.
Energy can be transformed within a system or transferred from one system to another or from a system to its environment in different ways. Thermal energy is transferred from warmer objects to cooler objects.
Mechanical energy can be transferred when two objects push or pull on one another. Electromagnetic energy can be transferred when an electrical source such as a battery or generator is connected in a complete circuit to an electrical device. Chemical energy is transferred when particles are rearranged in a chemical reaction.
Energy from the sun warms air and water, which creates moving currents within them. Every organism has a set of genetic instructions that determines its inherited traits. Celestial revolutions are caused by gravitational attraction. Friction is an example of an electromagnetic force that opposes motion between two surfaces.Write a short note on uranium ii.
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Recent advances in technology have led to the increased malleability of media like text, music, and video. Concurrent advances in the speed and flexibility of communication have resulted in the growth of "citizen media," where amateurs and regular citizens are making use of copyrighted content in the process of civic engagement.
Use evidence, observations, or explanations to make inferences about change in systems over time (e.g., carrying capacity, succession, population dynamics, loss of mass in chemical reactions, indicator fossils in geologic time scale) and the variables affecting these changes.
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the task for Jimma University to write the lecture note in consultation with the Health Extension Coordinating Office of Interrelation ship of functional elements comprising a solid waste management system 9 animal activities that are normally solid and that are discarded as useless or unwanted.