1 Answer. SCooke · Stefan V. 1.2×1023 molecules. Hope this helps
        
             
        
        
        
Answer:
Na2S
Explanation:Just took the test
 
        
             
        
        
        
If that is your picture, then the answer is that
Geometry A is trigonal planarand Geometry B is trigonal pyramidal
 
        
        
        
Answer:
Light
Explanation:
Plant is a thing so it has matter
Cheese is food so it has matter
Blood is a liquid so it has matter
 
        
             
        
        
        
Answer:
The yearly release of  into the atmosphere is
 into the atmosphere is  .
.
Explanation:

Annual production of CaO = 
Moles of CaO :

According to reaction, 1 mole of CaO is produced along with 1 mole of carbon-dioxide.
Then along with   of CaO moles of carbon-dioxide moles produced will be:
 of CaO moles of carbon-dioxide moles produced will be:
 of carbon-dioxide
 of carbon-dioxide
Mass of  moles of carbon-dioxide:
 moles of carbon-dioxide:

The yearly release of  into the atmosphere is
 into the atmosphere is  .
.