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which of the following best describes a gas?
a)a state of matter composed of tightly packed molecules.
b) a state of matter composed of freely moving molecules.
c)a substance that is not capable of infinite expansion.
d)a substance that is easily poured.

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Subduction zones form when an oceanic plate collides with another oceanic plate or continental plate. the continental crust is lighter and less dense than oceanic crust. continental crust's density is approximately 2.7 grams per cubic centimeter. oceanic crust is thinner and the average density is about 3.3 cubic centimeters. when the two crustal plates converge the oceanic plate always bends and subducts beneath a continental plate. once the oceanic crust subjects, the rocks are subjected to changes in heat and pressure. because of this, we would expect to find rocks in the area of a subduction. a) clastic b) igneous c) metamorphic d) sedimentary