Answer:
c. 2nd metacarpal
Explanation: is correct edg
 
        
             
        
        
        
Answer:
The correct option is <em>B. Crossing- over </em>
Explanation:
In biology, crossing over can be described as a phenomenon by which homologous chromosomes exchange segments during the process of meiosis. 
The unexpected results came because the DNA segment between the homologous chromosomes was exchanged during meiosis. The alleles got shuffled by this process and hence showed the unexpected results. 
Crossing over and independent assortment are phenomenon which occurs only during the process of meiosis. These phenomenons cannot be observed during mitosis. 
 
        
             
        
        
        
Answer:
Solar Radiation
Explanation:
Increased carbon dioxide in the atmosphere leads to increased absorption of Solar Radiation.
 
        
             
        
        
        
Answer & Explanation:
Earthquakes can strike at any location on Earth and at any point of time. However, some parts of the Earth are more prone to earthquakes than others. Earthquakes happen along the edges of tectonic plates and fault lines and there are three large zones on our planet which are most susceptible to earthquakes.:-)