Which among the functions of communication discussed is what you use most in your life

Which the following is a common trait in a four year college

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

Carbon dioxide can be produced form what type of power generation?