Find the limiting reactant for each initial amount of reactants in the following reaction: 2Na(s) + Br2(g) + 2NaBr(s)

Part A: 3 mol Na and 3 mol Br2
Part B: 1.6 mol Na and 1.2 mol Br2
Part C: 2.5 mol Na and 1 mol Br2
Part D: 12.9 mol Na and 6.9 mol Br2

Express your answers as a chemical formula.
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Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. moss campion is one of the plants found in the alpine biome. it has small leaves and a cushion shape that protect it from the wind and freezing temperatures in the alpine. how has the moss campion adapted to enable its survival in the alpine biome? a. waxy needles b. cone-shaped c. thin trunks d. low-growing