Answer:
i don't understand the hw 
 
        
             
        
        
        
Answer:
An asteroid impact could affect the tilt of the Earth due to the force it applies onto the planet. This would change Earth's seasons due to the fact that Earth's tilt causes seasons. 
 
        
             
        
        
        
Answer: 
They are both wrong!
Liquid oxygen really is a pale blue color.
I’ve seen it. 
And they cant say that liquid and solid oxygen is blue which makes the sky blue because they’re not and it doesn’t make up for the color of the sky.
The sky is actually blue because It reflects more light than It can absorb 
aka Rayleigh Scattering.
-HOPE THAT HELPED
        
             
        
        
        
Answer:
the answer is 
Explanation:For equilibrium
Weight = Tension
mg=T
∴T=4×3.1π=12.4πN (as can be inferred from the question)
Y= 
△l/l
T/A
 
= 
1000
0.031
 /20
12.4π/π( 
1000
2
 ) 
2
 
 
= 
4×0.031
12.4×20×1000×(1000) 
2
 
 
=2×10 
12
 N/m 
2