A method of dating, which would be used to study the fossils older than 1 million years, is:
A. radiocarbon dating
B. potassium-argon dating
C. stratigraphy
D. potassium-argon dating and stratigraphy
D. potassium-argon dating and stratigraphy
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More efficient use of energy could slow global warming.
Answer the following statement true (T) or false (F)
Two important properties of all symbols are that their meanings are conventional and
a. iconic. b. arbitrary. c. religious. d. concrete.
The unwinding of the DNA double helix is accomplished with the assistance of a variety of nuclear enzymes called:
A. aminases. B. DNA helicases. C. primases. D. polymerases.
Which is not true about Upper Paleolithic cave paintings?
a. They are found in France and Spain. b. They may have served as "encoded information" passed from generation to generation. c. They were painted mostly during the last glacial maximum. d. They are the first samples of pornography. e. They were done as early as 35,000 ya.