What theory has the central thesis that all present-day organisms are related and that they have descended with modifications from organisms that lived in the past?
A)theory of relativism
B)best-fit theory
C)theory of organic evolution
D)unifying theory
E)theory of uniformitarianism
Question 2Which process results in the formation of sedimentary rocks?
A)precipitation of mineral matter from solution
B)chemical activity of fluids
C)crystallization of lava flow
D)accumulation of magma
E)heat compression of other rocks
Question 3What parallel alignment of minerals is caused by the application of pressure, and gives a rock a layered or banded appearance?
A)striation
B)foliation
C)marbling
D)metamorphism
E)crystallization
Question 4What are naturally occurring, inorganic, crystalline solids that have definite physical and chemical properties?
A)rocks
B)minerals
C)stalactites
D)stalagmites
E)lithified deposits
Question 5____ is known to be a dwarf planet.
A)Neptune
B)Pluto
C)Uranus
D)Mars
E)Titan
Question 6What is a characteristic of the greenhouse effect?
A)Short wavelength radiation from the sun is reflected back into space.
B)Most of Earth's radiant energy escapes into space.
C)Industrialization plays an exclusive role in the process.
D)Gases trap heat reflected back from Earth's surface.
E)Transpiration significantly increases levels of greenhouse gases.
Question 7Tentative explanations that are formulated to explain observed phenomena are known as ____.
A)tautologies
B)theories
C)conjectures
D)perspectives
E)hypotheses
Quick Reply
