It makes a longitudinal wave because it stretches and compresses while it slithers forward
C lol trying to get points
Food was cooked, quickly frozen, and then dehydrated in a special vacuum chamber. Freeze-dried food didn't need to be refrigerated and would last a long time. To make most freeze-dried foods, astronauts squeeze water into the food packages and then eat the food after it absorbs the water.
Answer:
Most fish use gills for gas exchange instead of lungs.
Explanation: