Does the population size increase or decrease at higher trophic levels in the pyramid? The population size decreases because the higher on the food chain one looks, the fewer the number of organisms that occupy that level. This is because of the energy that is available from one level to the next has to decrease […]
At what altitude shall the altimeter be set to 29.92 when climbing to cruising flight level?
At what altitude shall the altimeter be set to 29.92 when climbing to cruising flight level? 24,000 feet MSL When should I set my local altimeter? The basic rule still applies to pilots flying below 180 on an IFR flight plan: Set the altimeter setting when you get ATIS. During your flight, when you are […]
What questions do judges ask in a science fair?
What questions do judges ask in a science fair? Possible Judge Questions Explain your project. What was your question/problem? What was your hypothesis? What was your control? What was your variable(s)? How did you test your hypothesis? Show me your project notebook. What were the results of your tests? How do you judge a science […]
Where do grasshoppers like to live?
Where do grasshoppers like to live? Most grasshoppers prefer dry open habitats with lots of grass and other low plants, though some species live in forests or jungles. Many of the grassland species invade farmer’s fields too. What’s the lifespan of a grasshopper? approximately one year What is a grasshopper trying to tell me? The […]
Is all sand fish poop?
Is all sand fish poop? Turns out, the majority of sand grains found on white sand beaches, such as those found in Hawaii, are actually parrotfish poop. The parrotfish eat coral, and when the coral comes out the other end, we get smooth white grains of sand. How dangerous is silica sand? When this dust […]
Where is concave mirror used?
Where is concave mirror used? Concave mirrors are widely used in headlights of automobiles and motor vehicles, torchlights, railway engines, etc. as reflectors. The light source is placed at the focus of the mirror, so after reflecting the light rays travel over a huge distance as parallel light beams of high intensity. Which mirror is […]
What are the steps of primary and secondary succession?
What are the steps of primary and secondary succession? Succession In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance. What are the events in secondary succession? Secondary […]
What is equipotential line?
What is equipotential line? An equipotential line is a line along which the electric potential is constant. An equipotential surface is a three-dimensional version of equipotential lines. Equipotential lines are always perpendicular to electric field lines. What is potential function and stream function? Velocity potential function and stream function are two scalar functions that help […]
Would it hurt more to be hit with 5 pounds of feathers or 5 pounds of bricks?
What is the difference between a single yellow line and a double yellow line?
What is the difference between a single yellow line and a double yellow line? Single yellow lines mean you can’t wait there between certain hours. Double yellow lines mean you cannot wait there at all. How long can you load on double yellow lines? 40 minutes Do double yellow lines have to be continuous? All […]