The answer is <em>stratosphere.</em>
All you need is :
one egg
vinegar
and a glass or bowl that is taller than the egg
tilt the glass when you put the egg in so it doesn't brake then pour vinegar in to cover the egg and watch as its shell disolves
Phospholipids are main in membrane
The answer should be 3, M.
For M, it is indicating to the organ gallbladder. The purpose of it is to store bile, which bile help physical digest fats. However, gallbladder is not the site that produces bile, that should be the liver.
Therefore, after bile is produced in the liver, they're stored in gallbladder. It then will be released through the bile duct to the site it is used for, which is the duodenum.
I think it is the second or first i got the 2 words mixed up
