Q: How is population density expressed? Choices: - per arable land - number per household - arable land per capita - number per area A:
number per area

(Question)
Q: What specific part of the african violet is used to propagate other plants? Choices: - petals - spores - roots - leaves A:
(Answer)
leaves

Ques: Q: What is the water that falls from the sky called? Choices: - evaporation - condensation - moisture - precipitation A:
Ans: precipitation

(Q).
Q: During an earthquake what causes seismic waves? Choices: - Currents - low tide - high winds - rock displacement A:
(A).
rock displacement

Ques:Q: What regulates homeostasis and basic survival behaviors? Choices: - hippocampus - mitosis - cell membrane - hypothalamus A:

Ans:hypothalamus

Question: Q: Geologists group rocks based on how they what? Choices: - dissove - look - move - form A:
Answer:
form