Is Melting snow a physical change? Melting snow is a phase change, and therefore is a physical reaction and not a chemical one. Why is melting ice cream a physical change? Ice cream melting is a physical and reversible change because it is a solid and the sun’s heat is making it melt into a […]
What is the movement of magma called?
What is the movement of magma called? lava flow. When magma flows or erupts onto Earth’s surface, it is called lava. Like solid rock, magma is a mixture of minerals. What three factors affect the formation of magma? What three factors affect the formation of magma? Pressure, water, and temperature. What are the formation of […]
Why does tightening a string increase pitch?
Why does tightening a string increase pitch? Tightening the string gives it a higher frequency while loosening it lowers the frequency. This higher frequency of vibration means that the air particles around the string carry a higher frequency sound wave to your ear, which perceives the higher frequency as a higher pitch. What happens if […]
Is the mains AC or DC?
Is the mains AC or DC? AC stands for ‘alternating current’ which means the current constantly changes direction. Mains electricity is an AC supply, and the UK mains supply is about 230 volts. It has a frequency of 50Hz (50 hertz), which means it changes direction and back again 50 times a second. What is […]
What is weather one word?
What are the 3 levels of conscience?
What are the 3 levels of conscience? Freud divided human consciousness into three levels of awareness: the conscious, preconscious, and unconscious. Each of these levels corresponds and overlaps with Freud’s ideas of the id, ego, and superego. How do you awaken your conscience? Here are four practices for raising your consciousness: Awaken. Live Mindfully. Set […]
Is See attached a sentence?
Is See attached a sentence? Yes; “Please see attached document” is comprehensible, and people often write it as a stock phrase, without anyone raising an objection. While you should mention when you’ve attached a document to an email, this phrase isn’t the best way to express that. How do you say attached a resume? The […]
At what temperature will outside faucets freeze?
At what temperature will outside faucets freeze? 20 degrees How do I stop my outside faucet from freezing? Cover the exterior faucet with an insulated slip-on cover. This will prevent any remaining water from freezing. Exterior pipes should be wrapped with insulation tubing, which can be found at your local hardware store. Do not wrap […]
Why do waves slow down in shallow water?
What is an example of the Fifth Amendment?
What is an example of the Fifth Amendment? During a criminal trial, the Fifth Amendment pertains to more individuals than just the defendant. For example, a witness may refuse to testify if doing so would have him or her self-incriminate, even if the criminal conduct in question is not related to the actual case. Why […]