An anomalous amount of _______________ is found in the boundary clay of the 65 million-year-old K-T event
Fill in the blank with correct word.
ANSWER: iridium?
You might also like to view...
The vertical profile of ____ is variable in each layer of Earth's atmosphere
A) air temperature B) air pressure C) altitude D) air density
Yucca Mountain in the state of Nevada is
A) the location of a leaky nuclear power plant that will cost billions of dollars to clean up. B) the only potential site for long-term commercial nuclear waste storage in the United States, rejected for safety concerns in 2009. C) a military base that has accumulated low-level and high-level nuclear waste for many decades. D) the site of a lake that received illegal dumping of nuclear waste in the 1960s.
On this map of South America and adjacent areas, which site would have earthquakes related to plate divergence?
A. 1, the oceanic trench B. 2, below the magmatic belt C. 3, along a passive margin D. 4, in the middle of the Atlantic Ocean E. both 1 and 2
Which planet displays retrograde rotation?
A) Venus B) Mars C) Neptune D) Saturn