Which of the following practices could help reduce erosion of water banks?a.buffer stripsb.natural fertilizers and pesticidesc.decrease in fossil fuel emissionsd.all of the above
How does the loss of vegetation on shore lines affect waterways?a.decreased sedimentationb.increased shorelinesc.increased erosion of water banksd.none of the above
Which of the following methods would help decrease marine pollution?a.government regulation of agricultureb.government regulation of industryc.reduction in chemical used.all of the above
How is thermohaline circulation influenced by salinity and temperature? a. It is driven by density gradients, which are affected by salinity and temperature, with cold water and water with higher salt concentrations being more dense. b. It is driven by density gradients, which are affected by salinity and temperature, with warm water and water with higher salt concentrations being more dense. c. It is driven by density gradients, which are affected by salinity and temperature, with warm water and water with lower salt concentrations being more dense. d. It is driven by density gradients, which are affected by salinity and temperature, with cold water and water with lower salt concentrations being more dense. Please select the best answer from the choices provided
How does pollution affect marine life?a.Pollution causes a decrease in phytoplankton populations and therefore a decrease in the occurrence of algal blooms.b.Pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals.c.Soaps, detergents, and plastics in the ocean decrease the acidity of ocean water, leading to a decrease in carbonate levels.d.Pollution affects organisms close to the shoreline, but does not affect marine organisms far from the shore.
Over time, most lakes grow larger due to erosion.
Recreational activities can cause an increase in erosion rates.
Which of the following is an effect of fossil fuel emission on oceans?a.decreased pHb.decreased carbonate concentrationsc.increased CO2 absorptiond.all of the above
The majority of the debris found in the garbage patch is _______.a.large plastic bottlesb.sewagec.trash from landfillsd.small pieces of plastic
How does flooding affect rivers?a.It causes river bends to be cut off.b.It picks up deposits from floodplains.c.It causes rivers to divert.d.It causes river channels to change shape.
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