The bare soil surface type affects the amount of runoff because it has
no other stopping mechanism that prevents runoff to happen. Just like in the
use of pesticide, it is
harmful to human agriculture because it contains an antifreezing chemical
(present in transportation vehicles). When the chemical seeps into the soil, it
will create a runoff and can seep into the groundwater causing pollution.
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What are your choices?
EDIT
The answer you are looking for would be wood.
Hope I helped!!
        
                    
             
        
        
        
Here is an article that can help. 
https://healthblog.uofmhealth.org/heart-health/anatomy-of-a-human-heart
 
        
             
        
        
        
Answer:
They might gain or lose weight quickly, unexpectedly, and with no explanation unless thyroid is tested. Some of the symptoms that can occur with metabolic disorders are lethargy, jaundice and seizures. The symptoms expressed would vary with the type of metabolic disorder, mostly calcium metabolic disorders. Increased blood pressure, high blood sugar, excess body fat around the waist.
 
        
             
        
        
        
Answer:
a. ture 
Explanation:
because most of us got the vaccine when we were born