I believe the lowest orange square would
Answer:
my prediction is maybe, d. a container of pond water with acid added to it.
Explanation:
because if you say the effects of acid rain on pond water, you can try that kind of experiment to find your product.
Because they have not been distrubed
Answer:
C. Suspension system
Explanation:
When dealing with prosthetic limbs the suspension system is how the prosthetic remains attached to the residual limb. This system makes sure that the prosthetic is firmly attached and only has the necessary movement for the prosthetic but nothing more. There are a couple of different suspension systems, the three most widely used ones would be Anatomic suspension, belt suspensions, and upper limb suspension systems.