In geometric progression, the ratio of each number to the preceding one is the same.

which is an example of a geometric progression?

a) 4, 12, 36

b) 1, 2, 3

c) 3, 21, 35

d) 4, 6, 8

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d