Q: Vertebrates lacking what structures often use lungs for gas exchange? Choices: - pores - nostrils - spores - gills A:
gills

(Question)
Q: How many orders of magnitudes bigger is the electric force? Choices: - 36 - 45 - 33 - 39 A:
(Answer)
39

Ques: Q: What is the point on the ground that is located directly above where underground rocks fracture (or the "focus" point)? Choices: - danger zone - fault line - seismic point - epicenter A:
Ans: epicenter

(Q).
Q: Compared to others, what type of liquid has a relatively high surface tension and heat capacity? Choices: - oil - wine - blood - water A:
(A).
water

Ques:Q: The northern spotted owl and the mexican spotted owl inhabit geographically separate locations with different climates and ecosystems. the owl is an example of? Choices: - parallel evolution - biodiversity - symbiotic species - allopatric speciation A:

Ans:allopatric speciation

Ques:Q: How can people access water in an aquifer that does not flow from a spring or a geyser? Choices: - mound building - generate electricity - evaporation - dig a well A:

Ans:
dig a well