The process illustrated in Figure 36-2 is known as:

a. humus formation.
b. weathering.
c. cation exchange.
d. soil erosion.
e. salinization.


C

Biology & Microbiology

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The commercial livestock industry has significantly increased _______ levels in the atmosphere because of animal respiration.

a. carbon monoxide b. carbon dioxide c. calcium carbonate d. carbonic acid

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Chlamydia trachomatis causes

A. nongonococcal urethritis in males. B. cervicitis in females. C. pelvic inflammatory disease in females. D. congenital conjunctivitis. E. All of the choices are correct.

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The phenotype in homozygous dominant individuals affected with an autosomal genetic disorder is often more severe

than the ____________________ phenotype Fill in the blank(s) with the appropriate word(s).

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The purpose of the pulmonary circuit is to ________ .

a. deliver blood to the hepatic portal system b. send de-oxygenated blood to the heart c. circulate oxygenated blood to the tissues d. oxygenate blood received from the tissues e. receive oxygenated blood from the heart

Biology & Microbiology