Explain the consequences of groundwater depletion.
What will be an ideal response?
Removing more water from an aquifer than can be recharged is leading to land subsidence, or the settling of the soil as it dries out. As subsidence occurs, it can lead to a sinkhole. These form when an underground cavern collapses because there is not enough water in the cavern to support it.
Saltwater intrusion can also occur when too much groundwater is removed from an aquifer. A decreased level of freshwater in the aquifer allows for seawater to back up into the depleted stream and aquifer.
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A) having flagella B) lacking chloroplasts C) lacking mitochondria D) being multicellular
Insulin directly affects the
a. secretion of saliva. b. storage of proteins. c. secretion of pancreatic juices. d. metabolism of glucose. e. utilization of fat reserves
Which of the following has increased as a direct result of stratospheric ozone depletion?
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Repressors act by blocking the binding of ________ to the operator
A) promoters B) DNA polymerase C) the operon D) RNA polymerase