Which of the following uses only chest compressions to aid victims of sudden cardiac arrest?
a. CPR
b. CCR
c. defibrillation
d. AED
e. CED
ANSWER: b
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Primary succession may be seen:a
on new lava or on sand dunes. b. after a fire. c. when farmland is abandoned. d. only in tropical rain forests. e. in any community that has periodic disturbances.
In the section "Investigating Life: The Battle for Position in Cacao Tree Leaves", what was the dependent variable?
A. the age of the leaf B. the percent of the leaf area damaged C. the presence or absence of endophyte spores D. the presence or absence of the pathogen Phytophthora E. the percent of the leaf area containing endophytes
If you provided your shade-tolerant plants with their preferred wavelength of light, but only minimal amounts of water, which of the following would you expect to occur?
A) increased plant growth B) increased amounts of oxygen released by the plants C) decreased amounts of ATP being produced by the plants D) increased growth of the plants' leaves
Which of the following groups of organisms could easily grow jams and jellies?
A) extremophiles B) aquaphiles C) osmophiles D) halophiles