It defines the recommended amount to eat of a particular food
It is important because you should want the best information, unreliable information can be false.
Answer: requires time and patients
Explanation:
It can give a person an emotional impact with the person they are sexually active with. They could have strong feelings for that person and want have a meaningful relationship with them. But that person could not want the same things and it could lead to heartbreak and hurt feelings.
It created great advances in astronomy and physics
