The increased acidity of seawater can harm marine life by making ____ available to organisms that require it.
A. less nitrogen
B. more sulfur dioxide
C. less carbon dioxide
D. more methane
E. less calcium carbonate
Answer: E
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The global assembly line refers to consumer goods that are made
A) with raw materials, components, labor, and manufacture from around the world. B) in one country and designed to be marketed and sold around the world. C) with capital invested by people, businesses and banks from around the world. D) with the goal of employing as many people in the periphery as possible. E) in factories that are sited on both sides of an international border.
Which of the following is illustrated by the blood-type system in humans?
a. multiple alleles b. codominance c. sex-linked traits d. crossover
Which of the following is a phagocyte that acts
to inform the adaptive immune system of antigens?
a. macrophages b. monocytes c. neutrophils d. dendritic cells e. eosinophils
Explain the technique of electrophoretic separation of DNA fragments
What will be an ideal response?