Traumatic wounds can be classified two different ways. If the wound is open and less than hours old, it is considered Class III: Contaminated. If the wound has been open for more than hours, it will be considered Class IV: Dirty/Infected.

auricle

explanation:

the flaps on the front of the atria are called the auricle.

answer:

dbg

explanation:

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."