Likely Effects of the Cretaceous-Tertiary Boundary Impact Include All but Which

question 33

Multiple Choice

Likely effects of the Cretaceous-Tertiary boundary impact include all but which of the following?

• A)a stratospheric dust cloud that lasted 3-6 months
• B)massive fires from the heat of the blast and from molten material
• C)oxides of nitrogen formed by the compressive shock wave,forming HNO₃ in the atmosphere
• D)significant long-term cooling in the oceans but warming in continental areas
• E)total extinction of all land animals with a body mass of more than about 10 kg

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