When an archaeologist examines the polish or residue found on the edges of an ancient stone tool, she is doing a(n) __________.
A. neolithic study
B. trace element analysis
C. use-wear study
D. pressure-flake analysis
Question 2
In their study of 56 stone artifacts from Koobi Fora, Lawrence Keeley and Nicholas Toth were able to determine __________.
A. where the tools had come from
B. what some of the tools had been used for
C. that all of the tools were made by one individual
D. the precise date the tools were manufactured
Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay
Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
An embedded particle of something was found on one of the gears, making this pump worthless except ...
Ancient desert sediments
Ribonucleotides containing unusual nitrogenous bases are found in transfer RNA