ACT Test 31 Questions with Verified Answers,100% CORRECT
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ACT Test 31 Questions with Verified Answers
Which of the following hypotheses was most likely tested in Study 2?
F. The number of reported cases of polio infections varies significantly between Nigeria and India.
G. Most cases of polio infections are not reported to medical authorities in Indi...
ACT Test 31 Questions with Verified Answers
Which of the following hypotheses was most likely tested in Study 2?
F. The number of reported cases of polio infections varies significantly between Nigeria and India.
G. Most cases of polio infections are not reported to medical authorities in India.
H. Poliomyelitis infections affect more people in certain regions in India than in other regions.
J. The number of reported cases of polio infections in India is greatest during the summer and least during the winter. - CORRECT ANSWER H. Poliomyelitis infections affect more people in certain regions in India than in other regions.
The comparison of reported polio infections in India in 2007, as shown in Figure 2,
indicates that relative to the number of people in Kolkata infected with polio in June, the number of people infected with polio in Kolkata in August was approximately:
F. half as much.
G. the same.
H. twice as much.
J. ten times as much - CORRECT ANSWER H. twice as much.
A scientist recently discovered a compound that ionizes readily in solution (i = 3.8)
and results in low osmotic pressures. Are the findings of this scientist consistent with Figure 1?
A. Yes, because FeCl3 causes higher osmotic pressure than sucrose.
B. No, because sucrose causes higher osmotic pressure than FeCl3.
C. Yes, because FeCl3 causes lower osmotic pressure than sucrose.
D. No, because sucrose causes lower osmotic pressure than FeCl3. - CORRECT ANSWER D. No, because sucrose causes lower osmotic pressure than FeCl3.
Figure 2 indicates that, compared with the soil tested in Sample 1, the soil tested in Sample 4 contains:
F. a higher percentage of sodium ions throughout.
G. a lower percentage of sodium ions throughout.
H. a higher percentage of sodium ions at shallower depths only. J. a lower percentage of sodium ions at shallower depths only. - CORRECT ANSWER H. a higher percentage of sodium ions at shallower depths only.
A student claimed that as soil moves away from a major water source, such as a river, the salinity of the soil increases. Is this claim supported by Figures 1 and 2?
F. No; the electrical conductivity and exchangeable sodium percentage both decreased from Sample 1 to Sample 5.
G. No; there was no consistent trend for electrical conductivity and exchangeable sodium percentage.
H. Yes; the electrical conductivity and exchangeable sodium percentage both increased from Sample 1 to Sample 5.
J. Yes; the electrical conductivity increased and exchangeable sodium percentage decreased from Sample 1 to Sample 5. - CORRECT ANSWER G. No; there was no consistent trend for electrical conductivity and exchangeable sodium percentage.
Synergy between two effects is said to exist when their combined effect is greater
than the sum of each effect considered separately. The study appears to be designed such that the researchers can investigate possible synergy in which of the following two groups?
A. Groups 1 and 2
B. Groups 1 and 4
C. Groups 4 and 5
D. Groups 1 and 3 - CORRECT ANSWER D. Groups 1 and 3
Before performing their analysis of the data, the researchers developed four different hypotheses. Each one of the four hypotheses below is supported by the results of the study EXCEPT:
F. Declining prey populations have had some effect on polar bear populations.
G. The melting of Arctic sea ice has a greater effect on polar bear populations than declining prey populations.
H. Declining prey populations have a greater effect on polar bear populations than
the melting of Arctic sea ice.
J. The melting of Arctic sea ice has had some effect on polar bear populations. - CORRECT ANSWER H. Declining prey populations have a greater effect on polar bear populations than the melting of Arctic sea ice.
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