Compare and contrast the greatest threats to human health on our planet, in order of their impact, noting the degree to which we have control over the cause
What will be an ideal response
Poverty/malnutrition/disease cycle 11 million deaths annually sociopolitical problems
Tobacco use 5.4 million deaths annually lifestyle choice
Pneumonia/flu 3.2 million deaths annually contagious diseases
Air pollution 3 million deaths annually no direct control
AIDS 3 million deaths annually contagious disease
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Ramona, the Harry Potter books, and the Lord of the Rings films exemplify how
A) art shapes place. B) gender is socially constructed. C) cultural systems are formed. D) race is normalized. E) non-representational theory unfolds.
Describe the various processes by which gases can be exchanged between the atmosphere and the earth's surface. Use examples where appropriate
What will be an ideal response?
What have differing paleomagnetic records for each continent shown?
A)Each continent had its own magnetic pole during successive geological periods. B)Magnetic poles for each continent have moved over geological time. C)Magnetic poles have remained in one location and each of the continents has moved. D)Both the poles and the continents have moved over time. E)Some data are inconsistent with the theory of polar wandering, indicating that further research must be done.
Genes for natural pesticides that are toxic to potato bugs have recently been transferred into potato plants making the plants lethal to these bugs. A main concern is that
A. natural selection will rapidly produce strains of potato bugs that are immune to the toxin in the plant. B. the cost to farmers will exceed the benefits. C. these genes will mutate to become lethal to the potato plants that contain them. D. these genes will escape from potatoes and disrupt other natural ecosystem functions.