Which is not true of a single silicon-oxygen tetrahedron?McGraw-Hill Education

A. The atoms of the tetrahedron are strongly bonded together.
B. It has a net negative charge.
C. It has four silicon atoms.
D. The formula is SiO4.


Answer: C

Environmental & Atmospheric Sciences

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Linnaeus was best known for his greatest contribution of ____

A) ?theory of evolution and natural selection B) ?classification system based on hierarchy, a grouping of objects by degrees of complexity, grade, or class C) ?a complex food web consisting of producers, consumers, and decomposers D) ?a simplified trophic pyramid of phytoplankton, zooplankton, and nektons

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All of the following can be converted into acids in the atmosphere except ________

A) NO B) N2 C) sulfur D) NO2

Environmental & Atmospheric Sciences

A greenhouse:

A) is impermeable to shortwave radiation. B) blocks the transfer of longwave radiation. C) allows the loss of sensible heat. D) allows the loss of latent heat.

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Which of the following is not a characteristic of living things?

A) Living things convert energy from one form to another. B) Living things develop and grow. C) Living things allow their internal environments to match conditions in the external environment. D) Living things are part of populations that evolve.

Environmental & Atmospheric Sciences