Q: In mammals, air is warmed and humidified in what? Choices: - lungs - stomach - esophagus - nasal cavity A:
nasal cavity

(Question)
Q: What do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology? Choices: - base chemicals - fossil fuel - reactive elements - rare earth metals A:
(Answer)
rare earth metals

Ques: Q: A species is a subdivision of a genus in what classification system? Choices: - calcareous system - mammalian - crocodilian system - linnaean system A:
Ans: linnaean system

(Q).
Q: In the nasal cavity, what 2 things trap particles from incoming air? Choices: - phlegm and hair - saliva and hair - mucus and skin - mucus and hair A:
(A).
mucus and hair

Ques:Q: When scientists work in natural settings rather than a lab, it is called what? Choices: - outside work - extracurricular activity - exploratory - fieldwork A:

Ans:fieldwork

Ques:Q: In an acidic medium, add which ions to balance? Choices: - helium - magnesium - calcium - hydrogen A:

Ans:
hydrogen