Heavy, dense minerals are often rich with high-density chemical elements. Which of the following elements would you expect to form dense minerals of high specific gravity, all else being equal? a. C (carbon).
b. Fe (iron).
c. Na (sodium).
d. Si (silicon).

The capital of australia was located a. on a south-facing harbor d. between its two largest cities g. near the great barrier reef j. close to asia

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?