Do you have a student who wiped the Iodine with a tissue paper and the tissue paper turned purple. What does this color change in the tissue paper indicates? PLEASE HELP ME I DONT GET I :(

Which of the following is not a defining characteristic of plants?

Isolated volcanic peaks on the ocean floor are

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