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.
The probability is very low or impossible because if 70% and theres 77, 66 cant survive
Answer: The word X represents the organs which is no longer used by the species.
Explanation:
The word vestigial shows the characters that is not used by the species anymore. Example is appendix which is considered as a vestigial organ in human beings as it is no longer useful for the human body.
This organ was used when there was only vegetarian food available for the human beings to eat.
But now that animals and vegetable both are available there is no need for the enzyme required the digestion of cellulose.
So, this organ is vestigial for the human body.
Answer:
Explanation:
Well sorted sediments, evenly distributed sediments of uniform size, typically contain 26% to 48% open space. ... Thus, well sorted sediments have higher porosity while poorly sorted sediments have low porosity. Permeability refers to how easily water passes through sediments and rock.