A key clue to how the solar system formed is the observation that all the planets orbit close to the same plane
Indicate whether the statement is true or false
TRUE
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In the Brinell hardness test, the indenter is steel or tungsten, and the shape is a:
(a) sphere with a 10 mm diameter (b) diamond pyramid (c) diamond cone (d) steel cone
According to our present theory of solar system formation, which of the following statements about the growth of terrestrial and jovian planets is not true?
A) Both types of planet begun with planetesimals growing through the process of accretion, but only the jovian planets were able to capture hydrogen and helium gas from the solar nebula. B) Swirling disks of gas, like the solar nebula in miniature, formed around the growing jovian planets but not around the growing terrestrial planets. C) The jovian planets began from planetesimals made only of ice, while the terrestrial planets began from planetesimals made only of rock and metal. D) The terrestrial planets formed inside the frost line of the solar nebula and the jovian planets formed beyond it.
A spool has string wrapped around its center axle and is sitting on a horizontal surface. If the string is pulled at an angle to the horizontal when drawn from the bottom of the axle, the spool will
Water able to be contained in the subsurface depends on
A) permeability. B) porosity. C) chemical composition. D) none of these