Will you please mark me as brainliest or thank me. i can’t post a question until someone does and i’m so confused on my question i really need you to please
        
             
        
        
        
Answer:
The answer is B
Explanation:
There are many Federal laws that help government tell scientist what is ethical and unethical.
 
        
             
        
        
        
To help fight off disease and viruses
        
             
        
        
        
Answer:
B) trends method
I'm very sure of this answer
 
        
             
        
        
        
Answer:
A. acceleration
Explanation:
Acceleration is the increase of motion, it is the rate at which an object changes its velocity.