How old is the Grand Canyon in 2020? Well, the Grand Canyon is a hodgepodge of old and new sections, as the researchers found in a recent study published in the Nature Geoscience journal. Some scientists believe that the Grand Canyon is 70 million years old. Can you get in trouble for stealing a rock? […]
Which type of lever is scissors?
Which type of lever is scissors? Other examples of first class levers are pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance. In summary, in a first class lever the effort (force) moves over a large distance to move the load a smaller distance, and the fulcrum is between the […]
What are 4 types of evidence?
What are 4 types of evidence? There are four types evidence by which facts can be proven or disproven at trial which include: Real evidence; Demonstrative evidence; Documentary evidence; and. Testimonial evidence. What is direct evidence example? Evidence that clearly demonstrates a defendant committed a crime is known as direct evidence. Eyewitness testimony that a […]
What weather do cold fronts bring?
What weather do cold fronts bring? A cold front forms when a cold air mass pushes into a warmer air mass. Cold fronts can produce dramatic changes in the weather. As the cold front passes, winds become gusty. There is a sudden drop in temperature, and also heavy rain, sometimes with hail, thunder, and lightning. […]
Can a small capacitor kill?
Can a small capacitor kill? Obviously the larger the capacitor, the higher the voltage, the greater the risk of a lethal shock becomes. A really small capacitor charged to a high voltage will not kill you, for example a 100pF capacitor charged to 10kV will only give you a mild static shock. Is a 1000uF […]
What are 4 chemical properties of oxygen?
What are 4 chemical properties of oxygen? Oxygen is a colorless, odorless, tasteless gas. It changes from a gas to a liquid at a temperature of -182.96°C (-297.33°F). The liquid formed has a slightly bluish color to it. Liquid oxygen can then be solidified or frozen at a temperature of -218.4°C (-361.2°F). What are 5 […]
Which achievement is credited to Aristotle?
Which achievement is credited to Aristotle? Aristotle was one of the greatest philosophers who ever lived and the first genuine scientist in history. He made pioneering contributions to all fields of philosophy and science, he invented the field of formal logic, and he identified the various scientific disciplines and explored their relationships to each other. […]
Is the aurora borealis dangerous?
Is the aurora borealis dangerous? The Northern Lights occur so high up in the atmosphere that they don’t pose any threat to people watching them from the ground. The aurora itself is not harmful to humans but the electrically charged particles produced could have some potentially negative effects to infrastructure and technology. Is 2020 a […]
What are three tips you should keep in mind before beginning work inside a computer case?
What are three tips you should keep in mind before beginning work inside a computer case? What are three tips you should keep in mind before beginning work inside a computer case? -Make notes as you work so that you can backtrack later if necessary. -Remove loose jewelry that might get caught in cables and […]
What are three signs of substance use?
What are three signs of substance use? Criteria for Substance Use Disorders Taking the substance in larger amounts or for longer than you’re meant to. Wanting to cut down or stop using the substance but not managing to. Spending a lot of time getting, using, or recovering from use of the substance. Cravings and urges […]