Which of the following statements is true? a)a hypothesis is created at the end of an experiment. b)the dependent variable is changed by the experimenter. c)the best hypotheses are written as answers to a question. d)observations are often used to form questions about the world. answer asap

Ashort, vertical, solid, or fleshy stem possessed by gladiolus and which is used in reproduction is termed a

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.