Answer:
Experimental or interventional studies compare the effect of treatments or interventions with control in humans. Placebo or different treatment(s) or intervention(s) may be used as control. Experimental studies have to be transparent and evidence-based. Two examples include clinical studies as well as observational drug studies.
Answer:
Biogeochemical cycle, any of the natural pathways by which essential elements of living matter are circulated. The term biogeochemical is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.
Answer: Loss of sensation to pressure and loss of touch of control over all involuntary movements could be result of an injury to the dorsal column.
Explanation:
The dorsal column is the most important organ to maintain body stability, sensation, and joint actions.
Evaporation
distillation
filtration
paper chromatography
Answer:
physical
Explanation:
example: water freezing into ice
there is no change in the chemical properties, frozen water is still water
