My best guess would be C because when you split something up the mix’s of animals decreases and it would be a disturbance
It would b B.physically because solution is a mixture and mixture is formed by physical change not by chemical
C. Wind turbines are more reliable then solar cells.
Filtered blood leaves the kidney through the renal vein and flows back to the heart. Pee leaves the kidneys and travels through the ureters to the bladder. The bladder expands as it fills.