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Didion uses words like “lassitude”(Didion) and “aimless”(Didion) to emphasize the slow, weary nature with which she is looking at the past. The meanings as well as the sound of these words, create a sense...

Strong covalent bonds present between atoms in silicon dioxide. VDW (Van Der Waals) between molecules in sulphur trioxide. Covalent bonds are stronger than VDW. Covalent bonds require more energy to be ov...

An enzyme called DNA helices breaks the hydrogen bonds between the bases on two polynucleotide strands of DNA, forming two single strands. Each original strand acts as a template for a new strand. Complem...

x (x-4) = 32X^2-4x-32 = 0(x-8)(x+4) = 0 x=8perimeter =8+4+4+8 = 24cm.

y = arctan(x)tan(y) = xsec²(y) = dx/dyfrom cos²A + sin²A = 1, we know that 1 + tan²A = sec²A (divide by cos²A), so we substitute in1 + tan...