Many children were paralyzed by polio in the 1950s. Today, polio has been reduced by 99 percent. Which statement best explains how this disease has been almost eradicated?
A) Independent behavior helps humans live self-sufficiently and solve their own problems.
B) human communities use their ecosystems in creative ways.
C) human communities are learning to live with less money and fewer possessions.
D) Group behavior helps humans cooperate in order to accomplish large, complex tasks.
Answers: 3
Biology, 21.06.2019 16:00, MissSusan183
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
Answers: 2
Biology, 22.06.2019 10:00, naynay4evr
In which squares should the phrase "green pods" appear a) a and d b) b and e c)a, c, and d d)a, b,c, d and e
Answers: 1
Biology, 22.06.2019 14:00, somedudeontheIn
Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***
Answers: 1
Many children were paralyzed by polio in the 1950s. Today, polio has been reduced by 99 percent. Whi...
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