Carbon dioxide in the atmosphere dissolves in raindrops to produce carbonic acid (h2co3), causing the ph of clean, unpolluted rain to range from about 5. 2 to 5. 6.

How are 3-d printers useful in studying evolution? a. to color the fossils of organisms b. to create clones of extinct organisms c. to create replicas of fossils d. to prepare paper cutouts of organisms e. to study the composition of fossils

Which statement about clep exam score reports is accurate

In what type of gpa are honors, ap, ib and dual enrollment courses given additional points? a) cumulative gpa b) weighted gpa c) unweighted gpa d) semester gpa