What is the example of hunting and gathering society? Although hunting and gathering practices have persisted in many societies—such as the Okiek of Kenya, some Australian Aborigines and Torres Strait Islanders of Australia, and many North American Arctic Inuit groups—by the early 21st century hunting and gathering as a way of life had largely disappeared. […]
Which engine has maximum efficiency?
Which engine has maximum efficiency? Carnot engine Which engine is more efficient? Welcome to a brand-new generation of engines. The Wärtsilä 31 is setting a new standard for energy efficiency, delivering the lowest level of fuel consumption of any four-stroke engine worldwide. Why can t an engine be 100% efficient? It is impossible for heat […]
Are more distant galaxies younger?
Are more distant galaxies younger? The reason distant galaxies = young galaxies is the finite speed of light. Then, you can compare those galaxies to the ones you find 10 billion light years away, because those will appear as they were 10 billion years ago. How do we see distant galaxies? The most distant galaxies […]
What kind of cells result from meiosis?
What kind of cells result from meiosis? The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell. Meiosis has both similarities to and differences from mitosis, which is a cell division process in which a parent cell produces two identical daughter […]
What would happen if electric switches are made with thermoplastics?
What would happen if electric switches are made with thermoplastics? Answer. Thermoplastic materials soften under high temperatures and harden when cooled. Since electric current produces high temperatures, these materials would soften and on cooling, would not recover introductory shape or outline. This would cause defects in their functioning. What is the main function of a […]
Who said Godspeed John Glenn?
What are three differences between skeletal muscle and smooth muscle?
What are three differences between skeletal muscle and smooth muscle? Smooth muscle fibers are located in walls of hollow visceral organs, except the heart, appear spindle-shaped, and are also under involuntary control. Skeletal muscle fibers occur in muscles which are attached to the skeleton. They are striated in appearance and are under voluntary control. What […]
What are the 5 steps of technological process?
What are the 5 steps of technological process? Steps of the technological design process include: identify a problem, research the problem, generate possible solutions, select the best solution, create a model, test the model, refine and retest the model as needed, and communicate the final solution. What is technology transfer process? Technology transfer (TT) refers […]
What is the general process of natural gas formation?
What is the general process of natural gas formation? It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of chemical bonds […]
What is the highest resolution of a light microscope?
What is the highest resolution of a light microscope? 200 nm What is the formula of resolution? In order to increase the resolution (d=λ/2 NA), the specimen must be viewed using either shorter wavelength (λ) light or through an imaging medium with a relatively high refractive index or with optical components which have a high […]