Remind the parents to observe the child for :
1. excessive bleeding.
2. infection at the surgical incision site.
If any of these are observed, the child should get immediate medical attention.
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.
For number 8:
all radio waves,
infrared radiation,
visible light,
ultraviolet radiation,
X-rays,
gamma rays.
Answer:
Water,mineral salts and carbon dioxide
