Q: What do you call a species that has died out in the past? Choices: - endangered - inhabit - remnant - extinct A:
extinct

(Question)
Q: What is the most abundant element in the universe? Choices: - oxygen - helium - fluoride - hydrogen A:
(Answer)
hydrogen

Ques: Q: What common air pollutant is characterized by its sharp odor and often triggers asthma attacks? Choices: - plant dioxide - pigment dioxide - Carbon Dioxide - nitrogen dioxide A:
Ans: nitrogen dioxide

(Q).
Q: What areas of the planet are most birds native to? Choices: - desert - tundra - mountainous - tropical A:
(A).
tropical

Ques:Q: What kind of rock's makeup is changed by heat and or pressure? Choices: - tectonic - basaltic - igneous - metamorphic A:

Ans:metamorphic

Q: What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract? Choices: - uterus - cervix - urethra - vagina A:
vagina