Some scientists speculate that a gradual climate change led to the mass extinction of dinosaurs. Which of the following statements supports this theory?

A) Large amounts of water vapor were released into the atmosphere, causing long periods of rain that cooled the planet.
B) Asteroids from space collided with Earth, heating the surface of the planet.
C) Particles released into the air after an asteroid collision prevented the sun's rays from hitting Earth's surface, thereby causing a decline in photosynthesis.
D) Magma released from volcanic eruptions increased the temperature of Earth's crust.


Answer: C) Particles released into the air after an asteroid collision prevented the sun's rays from hitting Earth's surface, thereby causing a decline in photosynthesis.

Biology & Microbiology

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