Prehistoric archaeologists work with which of the following?
a. artifacts, ecofacts, and features
b. artifacts, features, and grammar systems
c. contemporary religious systems, artifacts, and ecofacts
d. artifacts, grammar systems, and contemporary religious systems
Question 2
Ecofacts are:
a. objects found in the natural environment that were used by people but not made or altered by them.
b. objects that have been made by people and are portable.
c. objects that have been made by people but are not portable.
d. objects found in the natural environment that were formed by natural occurrences such as exposure to great heat or cold.
e. fossils that are embedded in natural stone.
General features of a growth factor or hormone signalling pathway that promotes cell division
Major features of the Solar System (not to scale)
Number of lower molar cusps is one of the features used to distinguish sundadonts from sinodonts.
A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?