Which of the following serves to filter waste material from the blood? a) the kidneys b) the renal vein c) the bladder d) the urethra

Desiree has a scientific question that she wants to investigate. she has developed a hypothesis and method for her experiment. which step of scientific inquiry should desiree take next? desiree should present her findings to her teacher and classmates. desiree should collect data, which may support or refute her hypothesis. desiree should provide an explanation for her results.