Avian dinosaurs survived the Mesozoic extinction and continue to persist and survive in the present day Cenozoic
a. True
b. False
True
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Although China has the largest population in the world, what explains the country's declining NIR?
A) AIDS pandemic B) famine C) a 30-year population control policy D) high numbers of emigrants leaving China E) government provided contraceptives
Hydrothermal vents provide a unique deep sea environment that supports abundant life because ________
A) the density of the seawater is less and this allows organisms more mobility B) food carried in the hydrothermal fluids provides a hospitable environment to support abundant life C) the hydrothermal vents support photosynthesis so there is abundant food D) the heat from the hydrothermal vents provides a more hospitable environment to support life
What is NOT true about energy?
A. It makes things move. B. It exists in many forms. C. It is force acting over distance. D. It is neither created nor destroyed. E. It cannot change between forms.