Answer:
Scientists are perhaps some of the smart few that make up the human population and are never short on knowledge. They research and discover and conduct tests to gain more knowledge, but the answer to your question is stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores, and scientist know this because of their research.
Explanation:
There are three main regions of the kidney.
<span>1.Renal cortex - It is the outer region of the kidney which contains the renal corpuscles and the renal tubules (without the loop of Henle). It produces the erythropoietin.</span>
<span>2.Renal medulla - It is the innermost part of the kidney which contains the renal pyramids.</span>
<span>3.Renal pelvis - It is the region that collects urine from the nephrons, thus it contains the place where ureter leaves the kidney.</span>
<span>The nearness of an indwelling urinary catheter and a
ceaseless bladder water system are standard postoperative desires after a TURP;
they accommodate hemostasis and urinary discharge. A stomach entry point and
dressing are available with a suprapubic, not transurethral, prostatectomy.
After a TURP the customer at first can expect hematuria and some blood
coagulations; the persistent bladder water system keeps the bladder free of
clumps and the catheter patent.</span>
D.... is the answer potential energy is energy stored in an object from its position.
