<span>Answer is d. all of these.
Anxiolytic/hypnotic drugs are medicines or depressants that used to relieve anxiety, and aid sleep. The benzodiazepines are the best known class of drugs to this category. Benzodiazepine causes sedation but it rarely interfere with person’s breathing or death. Even though benzodiazepine can treat anxiety symptoms, they can be extremely dangerous.  <span>They can cause side effects, become addictive, and even cause fatal withdrawal symptoms for some users.</span></span>
        
             
        
        
        
They consist of double-bond and single bond, according to the type of DNA.
        
                    
             
        
        
        
The determining factors are; climate, environment, and Human Activity.
P.S.: try those...lmk if they are right ;)
        
                    
             
        
        
        
Answer:
The characteristic features of the phylum Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a tailgut.
Hope this helps
 
        
                    
             
        
        
        
A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors.