A study shows that people who eat fish three times a week live longer. Based on this study, which of the following can you not conclude?
A) There is a correlation between eating fish in the diet and the length of life.
B) Fish is a healthy choice of food.
C) Eating fish causes longer life.
D) All of the above can be concluded based on this study.
C
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In a plant bending toward light, you would expect ______________ to have increased in activity.
A. cytokinins. B. gibberellins. C. expansins. D. ethylene.
Flooding, landslides, soil nutrient loss, and global climate change all result from:
a. the introduction of exotic plants b. desertification c. deforestation d. ozone depletion e. biological magnification
What would happen if the trachea did not have cartilaginous rings?
A) Incoming air would not undergo filtration. B) Incoming air would not be humidified. C) Sense of smell would be lost, and food would taste funny. D) The trachea would collapse.
A reddening of the skin of the face that intensifies when exposed to the sun is characteristic of
A) herpes. B) chickenpox. C) rubeola. D) rubella. E) erythema infectiosum.