What are the four main classes of stars on an HR diagram? The Supergiants are cool stars, which are very large and very bright. They are located towards the top right of the graph. The Giants are cool stars, which are a little smaller and dimmer than the Supergiants. The White Dwarfs are very hot […]
What is alpha decay paradox?
What is alpha decay paradox? Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or ‘decays’ into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two. It […]
What are two examples of voluntary movements?
What are two examples of voluntary movements? Voluntary movements. Examples of this wide class of movements are the skilled movements of fingers and hands, like manipulating an object, playing the piano, reaching, as well as the movements that we perform in speech. How does a voluntary movement occur? To summarize, upper motor neurons initiate movement […]
Why is pulling easier than lifting?
Why is renewable bad?
Why is renewable bad? The sun is a tremendous source of renewable energy. Nevertheless, the adverse effects of solar power are associated with land use, water use, habitat loss, and the harmful materials used in manufacturing of solar panels. This can interfere with the existing land uses. What is best renewable energy source? #1: Wind […]
What is the highest energy level?
What happens when copper oxide burns?
What happens when copper oxide burns? The reaction between copper and oxygen Copper is another metal that can form many oxides. When copper is placed in a flame with oxygen, the flame changes colour to a bright green. The copper (II) oxide that results is black and insoluble in water. What is copper II oxide […]
How many roots does a premolar?
How many roots does a premolar? one root Can a molar have 4 roots? The prevalence of maxillary second molars with 4 roots (2 buccal and 2 palatal) is rare; it is only 0.4% [12]. Are premolar teeth permanent? Premolars, also known as bicuspids, are the permanent teeth located between the molars in the back […]
What is the purpose of anabolic pathways quizlet?
What is the purpose of anabolic pathways quizlet? Anabolic pathways consume energy to build complicated molecules from simpler ones. Which statement is true catabolic pathways? Which statement is true regarding catabolic pathways? -Polymers are broken down into their monomers. (Catabolic pathways break down polymers (or larger molecules) into monomers (simple units). An example of a […]
Can matter exist in all three states?
Can matter exist in all three states? Matter can exist in one of three main states: solid, liquid, or gas. Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles. At what temp does […]