The answer is:  " invasive " . 
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     "<span>The boa constrictor in the Everglades is an example of an <u>  invasive  </u><u /> species that is impacting local species."
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Answer: I would have to say the living room needs to be cleaned- because a robotic vacuum cleaner. 
• Also It could be possible for a hockey player to use bungee cords to keep tension on his/her arms while practicing his/her shot to strengthen it.
        
             
        
        
        
<span>it was molecular structure of DNA this was appeared 1n April 1953 Watson and Crick presented the structure of DNA- Helix.it carried the genetic information. the DNA Molecule shaped in twisted ladder.franklin produced an X- ray photograph.
DNA structure is made of molecules called nucleotide. Watson and crick also work on 3-D structure of DNA. this mark the history in molecular biology to understanding the genes control and genetic information.they also work on cell.they use stick and ball to understand to test their idea.</span>
        
                    
             
        
        
        
Answer:
I think its B but im not 100% sure
Explanation:
 
        
             
        
        
        
Answer:
soil and vegetative matter screening for soil structure integrity and invasive pathogens
Explanation:
Repeated use of fertilizer causes the soil to break down and lose it nutrient capacity. This in turn will affect the integrity of the plants, now in a nutrient deficit environment. In addition to this, soil micro-biome environment may also be compromised once soil structure and nutrient is lost. Some of the bacteria, fungi and protozoan in the soil plays a role in defense against invasive pathogens. When this is lost the possibility for infection and increased risk of unknown pest and disease is imminent.