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How tall is a normal roller coaster?
How tall is a normal roller coaster? Enthusiasts use the term to apply to a roller coaster with a drop of 300 to 399 feet, meaning that its riders fall the length of a football field. (Anything beyond 400 feet and you’re in strata coaster terrain.) How strict is Disneyland with height requirements? Disneyland rides […]
How is CO2 removed from the atmosphere?
How is CO2 removed from the atmosphere? Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2. The result is that over geologic time, there has been more oxygen put into the atmosphere and carbon dioxide removed by photosynthesis than the reverse. Where […]
How do you tell if a solution is a good conductor?
How do you tell if a solution is a good conductor? The easiest way to determine whether a compound can conduct a current is to identify its molecular structure or composition. Compounds with strong conductivity dissociate completely into charged atoms or molecules, or ions, when dissolved in water. These ions can move and carry a […]
What is Doppler effect and give its applications?
How do you fix a sluggish needle on a compass?
Why is bicycle called a complex machine?
Why is bicycle called a complex machine? (c) A bicycle is composed of many simple machines, such as a screw, wheel and axle, lever, pulley, which carry out different task and together contribute to its working. Thus, the bicycle is said to be a complex machine. Is car a complex machine? Cars are considered complex […]
Is Temperature directly proportional to volume?
Is Temperature directly proportional to volume? The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles’s law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle’s law). How are volume and temperature related? The volume of […]
What is another name for group Viia?
What is another name for group Viia? Group 7A (or VIIA) of the periodic table are the halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The name “halogen” means “salt former”, derived from the Greek words halo- (“salt”) and -gen (“formation”). What is the group name of H? Group 1 is […]
Can too much nitrogen kill plants?
Can too much nitrogen kill plants? In fact, as a beginner there can be more problems than gardening in soil! Nitrogen toxicity is one of these annoying problems. Nitrogen is one of the most important nutrients for plants, but too much can cause serious harm to your garden. If left unchecked, nitrogen toxicity can completely […]