<span>"Chance" can signify an opportunity (i.e. the chance to prove yourself), or it could refer to luck (i.e. It was by chance that he won). "To lead" means to be in charge (i.e. Since she has great communication skills, she can lead the group). "Before" means previously or prior (i.e. I need to study before taking the test). "To get to" means to reach (i.e. We can take a break once we get to the mountain). "To enjoy" means to be pleased by something (i.e. I always enjoy a piece of chocolate cake after a long day). "Cuisine" refers to cooking or meals (My mom's cuisine rivals that of any top chef). "Leaving" can mean to go away (i.e. I'm leaving in five minutes) or to allow something to stay (i.e. I'm leaving the keys on the table). "To buy in advance" means to purchase something before you need it, in anticipation of needing it (i.e. I don't need the books for another two weeks, but I bought them in advance to make sure I have them). </span>
First one is C second one is A and last one is C
Answer:
Serendipity has been recently discovered in the Portage-du-Fort area, Pontiac Regional County Municipality, Quebec. Dark blue, often polysynthetic twinned on {011} and with no cleavage, serendipity crystals occur exclusively in a calc-silicate rock. Fine-grained cathedral serendipity, sometimes poikiloblastic, occurs with aluminous diopside. Less commonly, serendipity may form decussate masses in the same rock type. Serendipity is biaxial negative, with indices of refraction α 1.685(2), β 1.700(2), and γ 1.712(2); 2Vmeas. = 93.6(4)°, 2Vcalc. = 91°. Orientation matrix is X ^ c = +20.5°, Y ^ b = -42.6°, and Z ^ a = -24.6°. Dispersion is strong, r 蠐 v, and there is no pleochroism. Serendipity is triclinic, space group P1¯ with cell parameters refined from an X-ray powder-diffraction pattern: a 10.035(2), b 10.423(3), c 8.648 (2) Å, α 106.47(3)°, β 95.91(2)°, γ 124.46(2)°, V 674.3(2) Å3. The seven strongest lines of the X-ray powder diffraction pattern [d in Å(I)(hill)] are: 3.328(45)(230), 3.029 (96)(012, 021, 1 22), 2.854(96)(01¯3, 03¯1, 120), 2.689(29)(31¯1), 2.604(95)(030), 2.469(100)(2¯1¯3, 033), and 2.357(28)(22¯3, 23¯3). The crystal structure determination refined to R = 2.1% for 3877 unique reflections. The borosilicate structure, a member of the aenigmatite-rhenate group, is composed of layers parallel to (011). Layers of tetrahedral chains cross-linked by octahedral polyhedral alternate with layers of octahedral chains cross-linked by square antiprism polyhedral sheets. Tetrahedral and octahedral polyhedral are partially ordered and site assignments were determined. All cation sites are disordered to some degree.
Explanation:
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