What do dots mean in Lewis structure? Lewis dot diagrams use dots arranged around the atomic symbol to represent the electrons in the outermost energy level of an atom. Single bonds are represented by a pair of dots or one line between atoms. Double bonds are represented by two pairs of dots or two lines […]
What force twists a material by turning the ends in opposite directions?
What force twists a material by turning the ends in opposite directions? Torsion forces twist a material by turning the ends in opposite directions. What is internal and external force? • Internal Forces: Forces which act on one part of an object. by another part of the same object. • External Forces: Forces which act […]
What is heterozygous a blood type?
What is the atomic mass in an atom?
What property of substance is not affected by physical change?
What property of substance is not affected by physical change? A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity. What are the physical properties of solution? It can be […]
Is there undersea landslide?
Is there undersea landslide? Underwater landslides are common features on steep continental margins. Underwater (also called submarine) landslides rapidly shape the seafloor environment by transferring large quantities of sediment and rock downslope from the continental shelf into the deep ocean. Has Texas ever had a tsunami? Today, 3 News sat down with a geologist at […]
Who was the first person referred to as a psychologist?
Who was the first person referred to as a psychologist? Wilhelm Wundt (1832–1920) was a German scientist who was the first person to be referred to as a psychologist. His famous book entitled Principles of Physiological Psychology was published in 1873. What came before behaviorism? By the early 1970s, the cognitive movement had surpassed behaviorism […]
What is risk allele frequency?
What is risk allele frequency? risk allele: in the context of a disease, this is the allele that confers a risk of developing the disease. Most of the time, risk allele = minor allele, as most people will not carry the risk allele. How do you find the frequency of a dominant and recessive allele? […]
Does water with sugar freeze faster?
Does water with sugar freeze faster? Sugar lowers the freezing point of water, which makes frozen desserts fair game for changes in freezing point. Most desserts freeze between 29.5 to 26.6 degrees F (-1.4 to -3.0 C) depending on the concentration of sugar. At what temperature will sugar water freeze? Plain water freezes at 32 […]
Why is my rearview mirror blue?
Why is my rearview mirror blue? The reason they are tinted blue is that it makes it easier on your eyes from cars headlights behind you. When auto-dimming is turned on, your rear view mirror will automatically darken in order to reduce headlight glare. How does a dimming mirror work? Technology. In auto dimming mirror […]