You didn’t put in the full question with what you were given. I hope this helps show you how to answer the question. Sorry it’s messy
 
        
        
        
The pressure will decrease when valve in the right flow tube become leaky.
<h3>What is Pressure?</h3>
This is defined as the force per unit area of a substance.  Volume is directly proportional to the pressure of a substance.
When there is a leakage, the volume decreases which leads to a corresponding decrease in the pressure.
Read more about Pressure here brainly.com/question/25736513
 
        
             
        
        
        
Answer:
Hawk 
Explanation:
Dichlorodiphenyltrichloroethan which is also known as DDT is a colorless, tasteless and almost odorless crystalline chemical compound. It was originally developed as an insecticide and it causes harm to wildlife animals.
When the chemical are sprayed or gets in contact with the soil it is the terrestrial organisms such as plants and primary consumers who gets affected the most due to direct contact with the chemical.
Animals such as hawks who are arboreal and tertiary consumers from the list of options don’t get affected directly from the source of the DDT contamination which makes them least affected.
 
        
             
        
        
        
The climate of the tropical zone characterized by a very wet season alternating with a very dry season is wet/ dry topical climate.