<em>Answer: D.
the insect touching the trigger hairs</em>
<em>I did the test</em>
 
        
             
        
        
        
For many of their illnesses scientist and doctors haven't treated them before so they don't know how to treat them or exactly if the animal can handle the treatment
        
                    
             
        
        
        
Answer:
Their ability to manufacture their own food
Explanation:
There are two main types of plankton. this includes phytoplankton and zooplankton. Phytoplankton are different from zooplankton in that these plankton are plant-like and undergo photosynthesis manufacturing their own food. They are also regarded as being autotrophic. They are important in that other organisms including the zooplanktons depends on them for food, hence they can also be categoriZed as producers.
 
        
             
        
        
        
Since chemical weathering is the reaction of rocks with other chemicals, the answer should be answer D!
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