Quick question
What happens in a kidney transplant?​

First, an incision (cut) is made in your lower abdomen (tummy), through which the donated kidney is put into place. Your own kidneys will usually be left where they are, unless they're causing problems such as pain or infection. Second, nearby blood vessels are attached to the blood vessels of the donated kidney.

Explanation:

hope this helps :)

First, an incision (cut) is made in your lower abdomen (tummy), through which the donated kidney is put into place. Your own kidneys will usually be left where they are, unless they're causing problems such as pain or infection. Second, nearby blood vessels are attached to the blood vessels of the donated kidney.

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answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."