A company that produces laundry soap is testing a new ingredient to add to their product that they think will clean clothes better than their standard formula. They started with 200 pairs of pants that were all equally dirty. They then washed 100 pairs of the dirty pants with their standard formula and the other 100 pairs of dirty pants with their standard formula PLUS the new ingredient and measured how clean they were after being washed. What is the independent, dependent, and control variable?

Chad wilson is a 21 year old male in good health. in the middle of the night. chad woke up with severe pain in the right side of the testicle and he noticed that is swollen. it is also painful when he tries to urinate. he hates to go the doctor, but he us worried that he might have testicular cancer. question 1. the possible disease and condition on each case study. 2. any examination or tests that will confirm or refute the diagnose. 3. additional steps that the patient should take. (e.g. taking medication or adopting a new health habit)