Banded iron formations are composed mainly of thinly layered silica and iron oxides. Indicate whether the statement is true or false
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New Generation IV nuclear plants such as the pebble-bed nuclear reactor features
A) a combination of nuclear fusion and fission in a single design. B) cooling with liquid helium, smaller scale and less nuclear fuel in the reaction chamber. C) a design that uses a mechanical source of X-rays for power. D) designs based on the Fukushima Daiichi plant in Japan.
Earth materials through which water flows rapidly _____
a. have a high porosity b. have a low porosity c. have a high permeability d. have a low permeability e. have a high viscosity
The eccentricity portion of Milankovitch's astronomical theory refers to:
A) variations in the energy emitted by the Sun. B) the unpredictability of Earth's weather. C) changes in the shape of Earth's orbit. D) changes in the rate of Earth's rotation. E) changes in the tilt of Earth's axis.
Shield volcanoes typically consist of the rock type ________
Fill in the blank(s) with correct word