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 […]
How old is the Grand Canyon in 2020?
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 10 living things?
What are 10 living things? List of 10 living things Human beings. Plants. Insects. Mammals. Mosses. Animals. Reptiles. Bacteria. What are the five life processes? The basic processes of life include organization, metabolism, responsiveness, movements, and reproduction. In humans, who represent the most complex form of life, there are additional requirements such as growth, differentiation, […]
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 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 […]
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 is the minimum size power conductors that are permitted to be run in parallel?
What is the minimum size power conductors that are permitted to be run in parallel? Parallel conductor installations are covered in NEC 310.10(H) and are permitted for each phase, polarity, neutral, or grounded conductor in sizes 1/0 AWG and larger. Joining conductors in parallel is like having two or more smaller conductors connected at each […]