Its to make plant food, or photosynthesis
Answer:
Lack of friends can be a result of reading signals incorrectly. Many people think other people don't like them, so they don't like them in return and thus it goes on and on and before you know it, you hate that person, before you've even spoken to them. ... Friendship favours the brave.
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
