What is the leading cause of water pollution?

A. mining
B. factories
C. sewage treatment plants
D. agriculture activities
E. ocean-going shipping


Answer: D

Environmental & Atmospheric Sciences

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Rock salt and rock gypsum are what kind of mineral deposit?

A. hydrothermal B. evaporite C. pegmatite D. placer

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How many amino acids are glucogenic but not ketogenic?

A) 4 B) 5 C) 10 D) 14

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Features that grow up from a cavern floor are known as ____

a. uvalas b. swallow holes c. stalactites d. stalagmites

Environmental & Atmospheric Sciences

Which of the following intermolecular forces best describes why molecules like CF3CF3 are soluble in liquid CO2?

A. hydrogen bonding B. induced dipole-induced dipole C. dipole-dipole D. ion-dipole E. dipole-induced dipole

Environmental & Atmospheric Sciences