The correct answer for this question is this one: "c. J.J. Thompson." J. J. Thomson is the <span>scientist who designed an experiment that enabled the first successful detection of an individual subatomic particle. </span>J.J. Thomson<span> (Sir Joseph John Thomson, 1856-1940), who demonstrated in 1897 that "cathode rays" consisted of negatively-charged particles, later named electrons.</span>
        
             
        
        
        
Answer:
The digestive system of Frog, shark, chicken and cow are the following:
Explanation:
The digestive tract of frog is divided into foregut that consist of esophagus, stomach, duodenum, liver, pancreas, gall bladder and midgut/hindgut where intestine is present. The digestive system of frog comprise of oral cavity, pharynx, esophagus, stomach and intestine. The digestive system of chicken consist of beak, crop, proventricular, ventriculus, small Intestine, large Intestine and Cloaca. The digestive system of cow comprise of mouth, esophagus, rumen, reticulum, omasum, abomasum,  small intestine and large intestine.
 
        
             
        
        
        
Answer:
The resolving power of an objective lens is measured by its ability to differentiate two lines or points in an object. The greater the resolving power, the smaller the minimum distance between two lines or points that can still be distinguished. The larger the N.A., the higher the resolving power.
Explanation:
 
        
             
        
        
        
When red blood cells are placed in a hypertonic solution, the higher effective osmotic pressure of the bathing solution compared with the intracellular fluid results in water moving down its osmotic gradient and a net movement of water out of the cell via osmosis (10).
 
        
             
        
        
        
Chromosome non-disjunction, anaphase lag and endoreplication