Answer:
Timing
Explanation:
I am a Junior Olympian in Track and Field.
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.
Answer:
Stress has negative effects on physical and mental health.
Explanation:
Stress is present in our everyday life all the time. There is a lot of things that we can stress about during our lives and in every age group, there are many factors that can produce stress. This stress puts us in a bad mood and can take a toll on our mental and physical health. It can wear us out, cause changes like high blood pressure, and can really mess with our mental health. Sometimes stress itself becomes something that we stress about.
The correct answer is:
a. was completed in 2003
It was started in 1990, and run until 2003 (so we know that the first answer is correct and the second isn't). It provided a big amount of important information, but it' didn't allow anyone to alter their appearance, as this is not something that can be achieved via genetics.
