D ) poorly drilled wells in soft soils
Enough heavyweight on top of soft soil can result in collapse of ground, which results in a sinkhole.
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Answer:
In Los Angeles, the summers are hot, arid and clear and the winters are long, cool, wet and partly cloudy. During the course of the year, the temperature generally varies from 9 ° C to 29 ° C and rarely falls below 5 ° C or rises above 34 ° C.
Smooth muscle is responsible for the contractility of hollow organs such as blood vessels, the gastrointestinal tract, the bladder, or the uterus.
Explanation:
a full set of sister chromatides us created during the synthesis (S) phase of interphase , when all the chromosomes in a cell are replicated the two sister chromatides are seperated from each other two different cells during mitosis or during the second division of meiosis