Answer:
Which of the following statements is true? 3. Adaptive defenses include both humoral and cellular immunity.
Explanation:
Definitely Innate defenses are not enough to keep a person healthly, there are a lot of other factors to take into account when we are considering people's health. Adaptive defenses not only include humoral immunity (mediated by macromolecules) , but also cellular immunity (does not involve antibodies).
A trait is a characteristic of someone so the answer would be
<span>D.
Matt had been naturally right-handed since birth. In high school, he
decided to start throwing left-handed after reading that there was a
shortage of left-handed pitchers in the major leagues. Matt is now
left-handed.</span>
B is unsustainable as this is a practice of intensive farming usually conducted indoors, and is resource and energy expensive. C is unsustainable because groundwater is a limited resource and groundwater can take 1000s of years to be recharged. D is unsustainable as this involves moving water across vast distances and is expensive and ecologically damaging. A is sustainable as drought-resistant plants would in the long run use less water.