Experimental studies generally use the before/after control/impact design. In this approach, an experimental area is trawled and compared before and after trawling (before/after comparison) and with a site that has not been trawled recently (control/impact comparison). This design often involves direct sampling of fauna, video observations, and sonar scans of the control and disturbed sites.
Answer:
Chemical digestion of food begins once the food reaches the digestive acids inside of the stomach.
Explanation:
The answer you may be looking for perhaps is Histone.
A hollow sphere and that has ellipsoid, tube, and many other shapes. it has 60 carbon atoms, this form of carbon is named in recognition.
