Try this one. Good Luck!

Abanana can be an excellent source of potassium in our diet. there is a naturally occurring, long-lived, radioactive isotope of potassium, 40-19k, which has a natural abundance of 0.0117% and a half-life 1.27 billion years. estimate the activity of a typical banana due to this potassium isotope assuming that most of the mass is in stable potassium.

Last 5 benefits of physical activity and identify each benefit as either a physical mental and emotional or social benefit

How can the stress response be used in a way. for example to build resilience.