The features of plants, such as leaves and roots, did not evolve simultaneously, but rather at different times. What type
of evolution is this?
a. progressive
b. delayed
c. sequential
d. mosaic
e. piecemeal
d
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The discontinuous branch of Bowen's reaction series includes various compositions of plagioclase,
from calcium-rich to sodium-rich. Indicate whether the statement is true or false.
One possible way to decrease the magnitude of an earthquake is to ____
A)build more earthquake-proof structures B)replace rigid soil with soil that will liquefy during an earthquake C)use drilling equipment to dig into fractured rock and release pressure D)inject fluid into fractured rocks E)inject concrete into fractured rocks
Igneous rock names are based on grain shape and chemical composition.
Answer the following statement true (T) or false (F)
An exposed fault plane with significant vertical extent is known as
A) a fracture zone. B) an escarpment. C) dome. D) anticline.