Earth & Space
What gas accounts for approximately 78% of the dry volume of Earth’s atmosphere?
Nitrogen
Which of the following processes results in a net reduction in the amount of atmospheric carbon dioxide? W) Photosynthesis X) Fossil fuel use Y) Respiration Z) Decomposition
W Photosynthesis
What are the names for positive and negative ions, respectively?
POSITIVE = CATIONS; NEGATIVE = ANIONS
What force is primarily responsible for the collapse of molecular clouds into stars?
GRAVITY
In what quadrants does the graph of the equation y = -2x – 3 lie?
2, 3, and 4
What term is used to describe the point on the surface, below which an earthquake originates?
Epicenter
In the mitochondrial electron transport chain during oxidative phosphorylation [faws-four-il-AY-shun], what molecule is the final electron acceptor?
Oxygen
When chemists do flame tests, they often view the flame through a colored transparent piece of glass to filter out any sodium contamination. What color glass do they use?
Blue
Physics – Short Answer The electric potential at a point due to a unit positive charge is found to be V. If the distance between the charge and the point is quadrupled, what is the new value of the electric potential?
V/4
A geometric sequence has third term 1 and fourth term –3. What is its first term?
-1/9
What is the name for a large depression that forms when the vent of a volcano collapses into a drained magma chamber?
Caldera
The webbed hand of a human embryo develops into five separate fingers by a process of programmed cell death. What is the term for this process?
Apoptosis
What type of covalent bond, found in amine [ah-MEEN] oxides, is formed by two electrons from the same atom?
DATIVE (ACCEPT: DIPOLAR OR COORDINATE)
What is the adjective for a process that occurs at constant pressure?
Isobaric
If f(x) = (x3 - x2 – 5)2 and g(x) = 6 − x0.5, what is the value of f(g(16)) ?
1
Calcite belongs to which of the following mineral groups: W) oxide X) sulfate Y) carbonate Z) calcium silicate
Y Carbonate
Transesterification is a reaction used to generate biodiesel from what class of biomolecule?
Triglycerides (lipids)
The lines in the visible region of the hydrogen spectrum are known as what series
Balmer Series
If a fuse can dissipate 600 watts of power without blowing, how much current, in amperes, can it pass at 120 volts without melting?
5
Short Answer The graph of f(x) = the fraction with numerator x2 – 5x + 6 and denominator x2 – 9 has a removable discontinuity at x = a for some real number a. What is the limit as x approaches a of f(x)?
1/6
What is the name for the type of mass wasting in which perpendicular forces due to freeze-thaw processes in the ground cause soil to lift upwards?
Frost Heave
Members of the order Gymnophiona do NOT have which of the following? W) Poison glands X) Teeth Y) Elongated organs Z) Legs
Z Legs
Identify all of the following three statements that are TRUE of acetic acid: 1) It exists predominantly in its monomeric form when dissolved in benzene; 2) It exists predominantly in its monomeric form when dissolved in water; 3) It exists predominantly in its monomeric form in the gas phase.
2
What is the name of the prediction in classical physics that incorrectly proposed that an ideal black body at thermal equilibrium will emit increasingly higher frequencies of radiation with infinite power?
ULTRAVIOLET CATASTROPHE
What is the sum of all the distinct prime factors of 15 factorial?
41