PLEASE HELP ASAP ;-; The independent variable is the only factor that a scientist

A: varies for different groups in an experiment.

B: measures in an experiment.

C: keeps constant for each group in an experiment.

D: records throughout an experiment.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.