Tag: science & technology

Questions Related to science & technology

  1. shale is more porous so the oil tends to leak out over time

  2. shale, especially black shale, is much richer in primary organic matter than is sandstone

  3. sandstone is more abundant than shale

  4. sandstone is more permeable than shale, so fluids may flow through it faster


Correct Option: D
  1. acid rain and snow

  2. groundwater contamination

  3. urban air pollution

  4. global warming (by the “greenhouse” effect)


Correct Option: B
  1. The environmental impact of burning huge quantities of fossil fuels will have an adverse effect on the atmosphere.

  2. Present estimates indicate that the population explosion will result in an increasing depletion of the fossil fuel reserves.

  3. More than 85% of the energy used in the U.S.A. is from nonrenewable resources.

  4. Using increased amounts of fossil fuels to meet increasing demand will be stable for many centuries.


Correct Option: D
  1. skyrocketing costs of building nuclear facilities that have to maintain the highest safety standards

  2. possible escape of radioactive debris during a meltdown of the core or other malfunction

  3. there are real hazards associated with the disposal of nuclear waste

  4. nuclear power is a clean, cheap source of energy to replace fossil fuels


Correct Option: D
  1. water volume usually decreases over time due to significant cracks in the dam

  2. dams are usually not well built, so they will collapse, usually within a few years of construction

  3. debris and rocks are deposited on the downstream side of the dam, thus making the power of the impounded water lowered

  4. sediment is deposited on the upstream side of the dam, thus making the impounded water a lower volume


Correct Option: D
  1. as deposits around submarine, hot spring vents

  2. by decomposition of humus and soil gases during intense, tropical weathering

  3. by regional metamorphism of organic-rich, black shales

  4. as hydrothermal vein deposits in limestone around a granitic batholith


Correct Option: C
  1. sylvite and gypsum – these are a potassium-bearing and a hydrated mineral, respectively

  2. apatite and sylvite – these are a phosphate and a potassium-bearing mineral, respectively

  3. halite and calcite – these are a salt and a component of cement, respectively

  4. cassiterite and albite – these are an aluminum- and a calcium-bearing mineral, respectively


Correct Option: B