Can someone help me please! (This is due in 3 minutes)

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?