Answer:
The False statement is
Exchange gases with blood
Explanation:
Gas exchange occurs at the alveolar level which is part of the lower respiratory track
 
        
             
        
        
        
City-state government was often conquered because they did not have enough resources to protect themselves
Explanation:
A city-state government is an independent autonomic political system which usually compromises just a single independent city which is governed by itself with sovereignty over its territory. The city-states like Greece, Italy, and Rome etc became very powerful. 
The main reason for these city-states being conquered more was the accumulation of wealth and aristocracy in such states.
Heavy taxes, religion, slavery also lead to social unrest and conflicts among these city-states which made them weaker.  These internal conflicts also made them lose their resources and vulnerable to be conquered by other powerful empires. 
With the increasing power of neighboring states, like in the case of Rome and Greece, the Romans became mightier than Greeks at one point and conquered the Greek city-states. 
 
        
             
        
        
        
Answer:
1. 25% if it also includes the other parent's unknown alleles and 50% if it does not take into account the other parent.
2. The law of independent assortment states that organisms inherit each allele from their parents separately.
3. The type of dominance is incomplete dominance.
 
        
             
        
        
        
The summer solstice is the first day of summer. This day, June 21, is the longest day of the year.
        
                    
             
        
        
        
Sulfuric Acid is a diprotic acid and as such a binary acid.  This is because it possesses two hydrogen as denoted by its formula H₂SO₄
Hydrochloric Acid  -  HCl
Phosphoric Acid -  H₃PO₄
Nitrous Acid  -  HNO₃