Answer: Option D
Explanation:
When osmolarity of unrine increases, this makes the body to produce antidiuretic hormone(ADH). The kidney then keeps more water and ingest more water inside the body and this result in a highly concentrated urine. But if there is low osmolarity of urine, anti diuretic hormone is not produced, water is not ingested, the urine and blood will remain diluted.
The answer you my friend are looking for is D
Answer:
C-None of these are found in an observational study
Explanation:
(A.) controlled variables are a part of what's found in a controlled experiment. (B.) manipulated variables are a part of what's found in a controlled experiment. (C.) Answer choice A. or Controlled variables, Answer choice B. or Manipulated variables, and Answer choice D. or Control groups are a part of what's found in a controlled experiment. (D.) Control groups are a part of what's found in a controlled experiment. Therefor this only leaves one answer and that answer is Like I said C-None of these are found in an observational study.
Due to the gravitational pull
Photovoltaic cells.
While semiconducting material such as silicon, the other a metal such as aluminum or silver.
