What is difference between permanent magnet and an electromagnet What are benefits of an electromagnet? An electromagnet is made from a coil of wire that acts as a magnet when an electric current is allowed to pass through it….Differentiate Between Permanent Magnet and Electromagnet. Parameter Electromagnet Permanent Magnet Nature of magnetic field Temporary Permanent What […]
Is 100% polyester coat warm?
Is 100% polyester coat warm? In short, the answer is yes, polyester will keep you warm when combined with good other fabrics like wool and cotton. But, polyester can also allow breezes to pass through and keep you cool. Which is warmer cotton or polyester? Polyester is much warmer than cotton and in cold weather, […]
In which body of water can you see you reflected image better a pond or an ocean?
Who is bigger sun or Earth?
Why is classifying mass movements important?
Why is classifying mass movements important? It’s important to classify slope failures so that we can understand what causes them and learn how to mitigate their effects. The mechanism of the failure (how the material moved) The rate at which it moved. How do you classify mass movements? 15.2 Classification of Mass Wasting There are […]
Why do we need to remove metabolic wastes from the body?
Why do we need to remove metabolic wastes from the body? Metabolic wastes or excrements are substances left over from metabolic processes (such as cellular respiration) which cannot be used by the organism (they are surplus or toxic), and must therefore be excreted. The elimination of these compounds enables the chemical homeostasis of the organism. […]
What is a big picture question?
What is a big picture question? Big picture questions are questions that focus on the main idea of the passage. This type of question tests on no specific details from the passage. Most students find this question type difficult as students don’t read from an author’s perspective. How do I ask a question about a […]
Why do roller coasters have teardrop loops?
Why do roller coasters have teardrop loops? Today’s designers realize that they control the speed of a roller coaster by modifying the radii of the loop. Thus, in a teardrop-shaped loop, the large lower radius than they would in a perfect circle and more quickly at the top, where the radius is small. Which Disney […]
What types of environmental problems do the rural and urban poor share?
What types of environmental problems do the rural and urban poor share? What types of environmental problems do the rural and urban poor share? Increased quantity of air borne pollutants due to use of biomass fuels in rural areas and heavy vehicular traffic in urban areas. Why are big cities bad for the environment? Cities […]
Which latitude has the most evaporation?
Which latitude has the most evaporation? In the temperate latitudes of the north part of the Pacific evaporation exceeds 1000 mm per year; these are the highest evaporation values observed in the far southwest of the zone. What causes a decrease in precipitation? The proximate or immediate cause of a rainfall shortage may be due […]