Plss help I need answer asap will give brainlest plss help this has been due for a long time help plss We are pretending that I am testing to see if Vitamin C cures ashy skin.
You must write out EVERY step of the study that I must do, especially the actual experiment part. You must also list the controlled variables, the independent variable", and the dependent variable for this study.

Contrast how pollination is different among gymnosperms and angiosperms.

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.