Answer:
independent variable: where you are sampling the water (upstream or downstream)
dependent variable: the level of toxins
hope this helps <3
<h2>The Effect seen in most Superficial Epidermal Layers </h2>
A hypothetical drug causes blood vessels to grow from the dermis into the superficial stratum granulosum of the epidermis it will thicken the epidermal layers. Epidermis is the outermost of the three layers that make up the skin so a hypothetical drug will thicken such an outermost layer.
The melanocytes are accountable for skin color that is observed in the basal cells. The epidermis has no blood stocks and depends on the spread from the dermal cells for its metabolic demands. The dead-cell zone of the stratum corneum presents the stability from H2O failure that allows vertebrates to remain on the area.
This will answer (a)
(b) A- white matter
B- dorsal root ganglion
C- spinal nerve
(c) cell body of sensory neurons
Answer:
Should be 50% tell me if Im right