Answer:
The second one is the only one that does.
Answer:
Their efficacy as tools to control malaria transmission is derived primarily from two complementary characteristics: 1) their high attractiveness to malaria mosquitoes compared to attractiveness of humans [41] and 2) their ability to trap and kill mosquitoes which attack them thus removing these mosquitoes from the biting population.
Explanation:
Answer: Kennedy uses facts to compare U.S. economic growth with other industrialized nations, which show the U.S. is lagging; Nixon uses facts to compare the economic growth during this presidency to that during the previous one, which shows that the economy is improving.
Explanation:
