Answer:
The escape velocity of the Earth is about 11 km/s. In other words, anything on the Earth's leading side would fly off into space, continuing along the Earth's orbital path around the sun. ... Without the outward centripetal force to counteract the inward pull of gravity, the Earth would begin falling towards the sun.
Explanation:
 
        
             
        
        
        
Answer:
A The gravity of the moon pulls the ocean, which causes the tides.
Explanation:
Well all of the other answers are just completely different. 
if the moon is invisible tides cannot be seen, but why is it at night it is called high tide. B is very odd because many surfing events happen during the day.
It is A because it contains the most context, because it is the only reliable and realistic option, because when the moon is up, and the sun is down, it causes stronger waves
 
        
             
        
        
        
Everything we have today is because of the industrial revolution
        
             
        
        
        
1/100 heads and 1/100  tails because the are dependent variables