Factors that must stay the same in an experiment are called . A) dependents B) variables C) controls D) scientists

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?

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

Use the rule of 72 to calculate how long it will take for your money to double if its earning 6% in interest. a. 12yrs b. 16yrs c. 36yrs d. 72yrs