Choose the selection which most accurately gives both the value of the angle numbered 1 and the value of the angle numbered 2 in the figure above. Choose the best possible (most specific) answer. Other answers will be graded wrong. For example, if an angle is somewhat greater than 109.5 degrees, an answer which says that it is somewhat less than 120 degrees, while somewhat correct, will be graded wrong. a) Angle 1 is very close to 180 degrees and angle 2 is very close to 90 degrees. b) Angle 1 is somewhat less than 109.5 degrees and angle 2 is somewhat less than 109.5 degrees. c) Angle 1 is somewhat less than 109.5 degrees and angle 2 is very close to 90 degrees. d) Angle 1 is somewhat less than 109.5 degrees and angle 2 is somewhat less than 120 degrees. e) Angle 1 is somewhat more than 109.5 degrees and angle 2 is somewhat less than 109.5 degrees.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Choose the selection which most accurately gives both the value of the angle numbered 1 and the value of the angle numbered 2 in the figure above. Choose the best possible (most specific) answer. Other answers will be graded wrong. For example, if an angle is somewhat greater than 109.5 degrees, an answer which says that it is somewhat less than 120 degrees, while somewhat correct, will be graded wrong.
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