What is the purpose of units? For most quantities a unit is necessary to communicate values of that physical quantity. For example, conveying to someone a particular length without using some sort of unit is impossible, because a length cannot be described without a reference used to make sense of the value given. What are […]
Is active or passive transport faster?
Is active or passive transport faster? Active transport is a rapid process. Passive transport is a comparatively slow process. What are the 4 methods of passive transport? The rate of passive transport depends on the permeability of the cell membrane, which, in turn, depends on the organization and characteristics of the membrane lipids and proteins. […]
Which liquid would evaporate most quickly at room temperature?
Which liquid would evaporate most quickly at room temperature? Acetone has the weakest intermolecular forces, so it evaporated most quickly. Water had the strongest intermolecular forces and evaporated most slowly. Which type of liquid dries the fastest? The rubbing alcohol evaporated the fastest followed by water and finally vinegar. Olive oil didn#t seem to evaporate […]
What describes something in nature without attempting to explain it?
What describes something in nature without attempting to explain it? Unlike a theory, a scientific law describes an observed pattern in nature without attempting to explain it. A hypothesis is a possible explanation for a set of observations or answer to a scientific question. What do we call a description of how something works in […]
What should I wear in 20 C weather?
What are the two essential conditions for work done by a force acting on an object?
What are the two essential conditions for work done by a force acting on an object? For work to be done, it is essential that some force is applied to the object and the object displaces from its initial position. If these two conditions are satisfied, then the work is done. So, work done= force […]
When should I worry about cold feet?
What are the 3 levers involved in deep squat?
What are the 3 levers involved in deep squat? The levers that exist in this analysis are the back, the femur, and the shank or lower leg. The levers, as they hinge around the hip and knee joints, form the diagnostic angles used to analyze and discuss the movement. What are examples of second class […]
Why Japan is so rich?
Why Japan is so rich? Why is Japan so rich ?? Japan has close economic ties with the United States, European Union, Latin America, Australia, China and many others. The country has developed one of the world’s most powerful economies based entirely on imported raw materials. Who is richest country in world? For example, Iceland […]