Critical evidence for the Cretaceous-Tertiary boundary impact includes ________.
A. the discovery of a crater covered by jungle vegetation in Brazil
B. an iridium anomaly in a thin layer of rock 65 million years old
C. dinosaur fossils worldwide just above the layer of impact debris
D. recovery of very large pieces of meteorite
E. an Iranian deposit of reddish iron-bearing strata
Answer: B
You might also like to view...
What is the most abundant component (at 82%) of Jupiter's atmosphere?
A) hydrogen B) helium C) methane D) ammonia
The poetry of the Roman Horace is used by the author to illustrate what point?
a. The moral superiority of environmental attitudes of the early Romans b. The debate that raged as early as 20 BCE regarding the ethics of human transformation of the environment c. The environmental destruction of lands conquered during Roman expansion d. The power of poetry to express appreciation for the environment
Scheduled castes include some of the poorest people in India
Indicate whether the statement is true or false
__________ - the atmospheric conditions occurring at a given time
Fill in the blank(s) with correct word