If the percent of occurrence is then obtained results divided by the total tosses and multiplied by 100 then what is the percent of occurrence for two tails

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

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