Emt people answer these what are the answers to these

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

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

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.