a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Correct answer choice is :
<h2>A) The service has not been researched and is expensive. </h2><h2 /><h3>Explanation:</h3><h3 />
Pseudoscience involves beliefs, principles, or methods that have been or are supposed scientific but have no basis in scientific evidence. This could mean they were discredited scientifically, can't be questioned or lack testimony to support them.
Answer:
They have no side effects.
They are affordable.
They are rich in ingredients so can be used for drug development.
:)♡
