The Framework identifies seven crosscutting concepts that bridge disciplinary boundaries, uniting core ideas throughout the fields of science and engineering. ... A major activity of science is investigating and explaining causal relationships and the mechanisms by which they are mediated.
 
        
                    
             
        
        
        
Look kid, this question has been up for 9 hours think its time to let it go......... hoped i helped. ✔verified✔
 
        
             
        
        
        
<h2>
<em>Answer:</em></h2>
<em>Option</em><em> </em><em>C</em>
<em>Latitude </em><em>lines </em><em>meet </em><em>at </em><em>the </em><em>poles.</em>
<em>Explanation</em><em>:</em>
<em>Several </em><em>equivalent</em><em> </em><em>projections </em><em>were </em><em>developed </em><em>in </em><em>an </em><em>attempt </em><em>to </em><em>minimize </em><em>the </em><em>distortion </em><em>of </em><em>countries </em><em>and </em><em>continents</em><em> </em><em>of </em><em>planet </em><em>Earth,</em><em>keeping </em><em>the </em><em>area </em><em>constant.</em>
<em>hope </em><em>it</em><em> </em><em>helps</em>
 
        
        
        
16-7= 9 you subtract the atomic number from the mass and get the number of neutrons so there ae 7 protons and 9 neutrons
 
        
             
        
        
        
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein