Set A is the set of factors of 12, set B is the set of even natural numbers less than 13, set C is the set of add natural numbers less than 13, and set D is the set of even natural numbers less than 7. The universal set for these questions is the set of natural numbers less than 13. So, A = {1, 2, 3, 4, 6, 12}, B = {2, 4, 6, 8, 10, 12}, C = {1, 3, 5, 7, 9, 11}, D = {2, 4, 6}, and
U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.
what is AnB

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other information encoded in your genes might distinguish you from the others in the group

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.