The nervous system, Skeletal system, Muscular system and the Digestive system
Answer:
Intensity
Explanation:
Each time something becomes more difficult the intensity is increasing.
Four times greater.
Laws of physics state that force will always be the result of the square of the speed. For example, if you tripled the speed the impact would be 9 times.
Answer:
Things that affect our mental health include our:
-upbringing and environment
-which shapes our brain development when young and opportunities throughout life
-experiences, like our relationships
-how we are treated
-our financial situation
-work
-where we live, physical health, life events and the changes we go through.
<em>hope it helps :)</em>
<em>please mark it the brainliest!</em>
