A disconformity is an erosional unconformity with parallel beds or strata above and below
Indicate whether the statement is true or false
TRUE
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This igneous rock contains flattened pieces of pumice and small crystals of quartz and feldspar. What type of eruption probably formed this rock?
A. eruption of a pyroclastic flow that forms a thick and hot deposit B. eruption of a low-viscosity, basaltic lava flow C. eruption of high-viscosity lava in a dome D. slow settling of ash from a tall eruption column forming a nonwelded tuff E. dome collapse that forms volcanic breccia
Farmers suffering severe poverty often barely produce enough crops to survive, so these farmers
A) exist in a downward spiral of degraded land and reduced productivity. B) often accumulate neighboring land, grow their farms, and rise out of poverty. C) work longer days and increase their family sizes until their farms become very profitable. D) typically convert their farms to forests and sell lumber at much higher prices.
Tectonic forces
A. erode the surface of Earth. B. warp, fold, and uplift rock. C. control soil formation processes. D. form sedimentary rock.
At constant pressure the temperature of a 4.00 L sample of gas is increased from 25 °C to 50.°C. What is the new volume of the gas sample?
A) 2.00 L B) 3.69 L C) 4.34 L D) 8.00 L