How do feral pigs relate to the malaria problem in Hawaii?
A) Pigs dig holes in the rainforest floor, creating water holes where mosquitoes can breed.
B) The pig problem and the malaria problem in Hawaii are unrelated.
C) Feral pig farmers spend time outdoors and put themselves at risk of being bitten by mosquitoes that carry malaria.
D) Pigs help destroy the eggs of mosquitoes by wallowing in mosquito-infested mudholes.
E) Malaria is spread from pigs to mosquitoes to humans in Hawaii because pigs are an alternate host for malaria.
Answer: A
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What does the lowercase letter w indicate about an air mass?
A) The air mass is warmer than the surface over which it is passing. B) The air mass is wetter than the surface over which it is passing. C) The air mass is colder than the surface over which it is passing. D) The air mass is drier than the surface over which it is passing.
True or False: Ionic bonds, metallic bonds, or a mixture of both dominate most minerals
Indicate whether this statement is true or false.
The Kern River Oil Field in California has remained active because ________
A) the demand for oil has increased B) the price of oil has increased C) new extraction technologies have been developed D) both the demand and price for oil has increased E) All of these answers are correct.
Which of the following would most likely have the greatest impact on a large ecosystem?
A) loss of several keystone species from the ecosystem. B) construction of a two-lane gravel road through the middle of the ecosystem. C) construction of a lodge and trails to permit better access for ecotourists. D) allow the ecosystem to burn on a natural cycle.