The three basic economic questions: A: only affect nations with command economies.

B. Need to be answered by all nations.

C. Are only addressed by developed nations

D. Are only answered by developing nations

Diagram of the evolution of land plants?

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

Which organs of the urinary system allow you to consciously control when urination will occur? a. kidneys and the urethra b. kidneys and the ureters c. bladder and the urethra d. bladder and the ureters