What type of veggies should be cooked before grilling?

a. leafy greens
b. starchy vegetables
c. cylinderical vegetables
d. fungi

Point a before being rotated = (1,-2)a point (x,y) is rotated counterclockwise by 90°. the result will be (-y,x)if point (1,-2) rotated counterclockwise by 90°, the result  will be (2,1)answer: a. (2,1)

With reference to the solutions, following things may be noted1) homogeneous solutions comprises of single phase.2) heterogeneous solution comprises of more than one phase.3) in colloidal solution, solute is evenly distributed in solvent. in such system, it is difficult to separate solute and solvent.4) in suspension, there is an uneven distribution of solute in solvent. in such system, solute and solvent gets separated on standing long.    blood is a homogeneous and colloidal solution,salad dressing is a heterogeneous and suspension solution.   

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