Which of the following is not a real compound?
A) 1-hydroxybutanoic acid
B) 2-hydroxybutanoic acid
C) 3-hydroxybutanoic acid
D) None, they are all real compounds.
A
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The air inside a room is at a temperature of 35°C and has a mixing ratio of 7.6 g/kg. What is the relative humidity?
What will be an ideal response? __________ %
Which of the following materials is not produced by erupting volcanoes?
A) Sandstone B) Basaltic lava C) Obsidian/glass D) Ash
From earliest to most present, the correct order of largest urban settlements before 500 BC is
A) UR, Avaris, Nineveh. B) Thebes, Annad, Nineveh. C) Nineveh, Lagash, Thebes. D) Avaris, UR, Nineveh. E) Memphis, UR, Rome.
The Endangered Species Act
A) protects critical habitats of threatened and endangered species, but it cannot control privately held lands. B) includes species recovery plans intended to help listed species survive and thrive. C) currently protects animal but not plant species. D) has resulted in the recovery of more than 1,000 species that have been taken off the list.