Q: A turbine that spins a generator will produce? Choices: - solar energy - light - magnetic fields - electricity A:
electricity

Q: What cycle vital to plants includes a process called denitrification? Choices: - carbon cycle - sedimentation cycle - photosynthesis - nitrogen cycle A:
nitrogen cycle

Q: Q: The earliest vertebrates were jawless what? Choices: - mammals - dinosaurs - reptiles - fish A:
A: fish

Question: Q: What is the lowest layer of the atmosphere called? Choices: - mesosphere - lithosphere - asthenosphere - troposphere A:
Answer: troposphere

*Question*
Q: What process takes place when echinoderms release their gametes into the water? Choices: - migration - stimulation - isolation - fertilization A:
**Answer**
fertilization

(Question)
Q: What causes waves to bring sand up onto the beach during summers? Choices: - no energy - high energy - low sand density - low energy A:
(Answer)
low energy