Why did America not go metric? The biggest reasons the U.S. hasn’t adopted the metric system are simply time and money. When the Industrial Revolution began in the country, expensive manufacturing plants became a main source of American jobs and consumer products. Is Canada an imperial gallon? the imperial gallon (imp gal), defined as 4.54609 […]
What is a physical activity pyramid?
What is a physical activity pyramid? The activity pyramid is a guide that adults may use to plan for an active lifestyle. Choose activities from all levels of the pyramid and consider these tips: • Check with your health care provider before you begin a moderate- intensity physical activity program. What is difference between physical […]
How do deep sea creatures get oxygen?
How do deep sea creatures get oxygen? In general, fishes breathe by absorbing dissolved oxygen through their gills; however, in the bathypelagic (or midnight) zone of the ocean, there is zero light, high pressure, low temperature, low nutrients and low dissolved oxygen content. In order to preserve energy, many fishes in this zone have a […]
What is the relationship between the four spheres of the earth?
What is the relationship between the four spheres of the earth? These spheres are closely connected. For example, many birds (biosphere) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). In fact, the spheres are so closely connected that a change in one sphere often results in a change in […]
Is ATP synthase part of the electron transport chain?
Is ATP synthase part of the electron transport chain? ATP synthase is considered a part of the electron transport chain, but it is not involved in the transport of electrons. ATP synthase uses the proton gradient created by the ETC to synthesize ATP. Where does synthesis of ATP occur? Most of the ATP in cells […]
What is the result of vector A B AB?
What does no motion look like on a graph?
What are two examples of conduction heat transfer?
What are two examples of conduction heat transfer? Some examples are: Conduction: Touching a stove and being burned. Ice cooling down your hand. Convection: Hot air rising, cooling, and falling (convection currents) Radiation: Heat from the sun warming your face. Which of the following is the best example of heat transfer by radiation? Heat transfer […]
Is riding a bike mechanical energy?
Is riding a bike mechanical energy? When you ride a bicycle, several things happen that require energy and it’s transformation. You pedaling the bike is transforming chemical energy, supplied by the breakdown of the food you eat, into mechanical energy to turn the pedals. The chemical energy is potential and the mechanical energy is kinetic. […]
Why do I have a weak immune system?
Why do I have a weak immune system? Your immune system can also be weakened by smoking, alcohol, and poor nutrition. AIDS. HIV, which causes AIDS, is an acquired viral infection that destroys important white blood cells and weakens the immune system. People with HIV/AIDS become seriously ill with infections that most people can fight […]