O2 is a Gas , we aspire it from the air
        
             
        
        
        
Plants use photosynthesis
        
                    
             
        
        
        
Answer:
The direct threats of invasive species include preying on native species, outcompeting native species for food or other resources, causing or carrying disease, and preventing native species from reproducing or killing a native species' young.
Explanation:
 
        
             
        
        
        
There are 2 of them :-
1) Phagocytes
2) Macrophages.
These WBCs attach themselves to disease causing pathogens & then engulf them resulting in the destruction of the pathogens. 
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Hope it helps!
꧁✿ ᴿᴬᴵᴺᴮᴼᵂˢᴬᴸᵀ2222 ✬꧂
 
        
             
        
        
        
Answer:
Because this may be an exacerbation of psychosis, the provider may increase the dose of the FGA.
Explanation:
Schizophrenia may be defined as the medical condition in which the individual is not able to understand the reality and  interpret the reality in the different ways.
FGA (First-generation antipsychotics) is the treatment used for the patients suffering from schizophrenia. This medication is quite reasonable and cheap. Even after the failure of FGA, the patient needs to go for the different treatment. The further increase of FGA doses might affect the individual health.
Thus, the correct answer is option (B).