What are two examples of colloids?

What are two examples of colloids? Examples of colloid are mayonnaise, milk, butter, gelatin, jelly, muddy water. What are the 4 types of colloids? The types of colloids includes sol, emulsion, foam, and aerosol. Sol is a colloidal suspension with solid particles in a liquid. Emulsion is between two liquids. Foam is formed when many […]

What chemicals are needed for muscle contraction?

What chemicals are needed for muscle contraction? In order to perform the mechanical work of contraction, actin and myosin utilize the chemical energy of the molecule adenosine triphosphate (ATP). What are two ways that calcium is needed for muscle contraction to occur be specific? (1) Calcium binds to troponin C, causing the conformational shift in […]

How do you talk about timbre?

How do you talk about timbre? Terms we might use to describe timbre: bright, dark, brassy, reedy, harsh, noisy, thin, buzzy, pure, raspy, shrill, mellow, strained. I prefer to avoid describing timbre in emotional terms (excited, angry, happy, sad, etc.); that is not the sound quality, it is its effect or interpretation. What does timbre […]

What state is Tornado Alley 2020?

What state is Tornado Alley 2020? Although the official boundaries of Tornado Alley are not clearly defined, the main alley extends from northern Texas, through Oklahoma, Kansas, Nebraska, Iowa, and South Dakota. States such as Minnesota, Wisconsin, Illinois, Indiana, Missouri, North Dakota and Ohio are sometimes included in Tornado Alley. What is the farthest a […]

Do forces have direction?

Do forces have direction? A force is a vector quantity. As learned in an earlier unit, a vector quantity is a quantity that has both magnitude and direction. Because a force is a vector that has a direction, it is common to represent forces using diagrams in which a force is represented by an arrow. […]

What happens when a solid is dissolved in a liquid?

What happens when a solid is dissolved in a liquid? In the simplest case it involves mixing two materials together. The most common examples of dissolving involve a solid and a liquid, usually water. When a solid dissolves the solid (solute) and the liquid (solvent) form a very close intimate mixture called a solution. Why […]

What are large scale maps give two examples?

What are large scale maps give two examples? Large scale maps : These maps represent small area of the earth on a large size of paper sheet with greater details. Examples: Cadastral maps, topographical maps….A map bearing a scale of 1: 4000 and larger is called : Cadastral map. Topographical map. Wall map. Atlas map. […]

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