Answer:
friction is required to make an object slow down.
Explanation:
 
        
             
        
        
        
Answer:
The young birds are hosts for the larvae.
Explanation:
A host is an organism that harbours the invertebrate or microorganism and experiences disease. The disease that the larvae are causing is threatening the population of birds.
 
        
             
        
        
        
Answer:
It’s B)an estuary
Explanation:
I did the assignments already and got it right
 
        
             
        
        
        
Answer:
In econometrics, a dynamic factor (also known as a diffusion index) is a series which measures the co-movement of many time series. It is used in certain macroeconomic models.
Explanation: