Q: The eardrum is part of what part of the ear? Choices: - main - thin - inner - outer A:
outer

(Question)
Q: The average number of individuals per unit of area can be expressed as what? Choices: - the percent of population - percent density - total density - population density A:
(Answer)
population density

Ques: Q: Volcanoes are termed active, dormant, or extinct depending on the possibility of the presence of what in chamber structures? Choices: - coal - sulpher - water - magma A:
Ans: magma

(Q).
Q: What is the name of the zone where water is deeper than 200 meters called? Choices: - transition zone - euphotic zone - eccentric zone - aphotic zone A:
(A).
aphotic zone

Ques:Q: What do most amphibians breathe with as larvae? Choices: - pores - lungs - nasal passages - gills A:

Ans:gills

Ques: Q: Snow and rain are forms of what weather? Choices: - sediment - evaporation - cold fronts - precipitation A:
Ans:
precipitation