Why do scientists avoid saying that a hypothesis or theory is "proven"?
a. New data could falsify hypotheses or theories.
b. Scientists are worried about their reputations.
c. Only scientific laws and paradigms can be proven.
d. It takes too much work to "prove" something, so it rarely occurs in science.
Correct Answer: a
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Tiwanaku:
A. engaged in extensive trade with other communities. B. established colonies in other regions to maintain trade. C. used llama caravans to facilitate trade. D. All of the answers are correct. E. A and B above.
Answer the following statements true (T) or false (F)
1. The written play is one foundation of the actor's work. 2. Trained actors work quickly and efficiently in rehearsal. 3. Technique in acting is the enemy of convincing and believable acting.
Fossil forms that meet all of the criteria for a true primate are first found in the ________ epoch.
A. Miocene B. Oligocene C. Eocene D. Paleocene
The Dmanisi site is located in
a. Olduvai. b. West Turkana. c. Java. d. Republic of Georgia. e. West Texarkana.