Which does not correctly describe an achievement of the maya?
a. had cities with populations in the thousands
b. kept records on knotted strings, or khipu
c. understood the concept of zero
d. accurately predicted eclipses

Which term best describes the progressive era

What is intervention ? in government terms

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.