Answer:
Let's draw a punnet square to check for the results.
        w       w
W   Ww     Ww
w    ww      ww
a) 2:2 are likely to have smooth nose. 2:2 are likely to have wrinkled nose ( heterozygotes).
b) 2:2 are likely to have smooth nose. 2:2 are likely to have wrinkled nose.
c) 50%  is the probability of having smooth-nosed offspring.
d) 50% is the probability of having two smooth-nosed offspring. 
 
        
             
        
        
        
Answer:
The seismic waves in a 6.1 magnitude earthquake are 1000 times larger than those in a 3.1 magnitude earthquake
 
        
             
        
        
        
Answer:
The magnets are placed side by side with the opposite poles of each magnet near the other (Option D/Option 4)
Explanation:
The two moved towards eachother when released, and that will only happen the opposite poles are facing eachother.
Sorry if this doesn't make much sense.