1. why is earths temperature just right for life ?
( 1point)

1.earths core is hot enough to heat earths surface
2.earths magnetic field creates suitables temperatures on earths surface
3.earths crust is warmed by heat from the sun
4.earths atmosphere traps hear from the sun , which makes earths temperature suitable for living things

Question

1.  why is earths temperature just right for life ? 
( 1point) 
 
1.earths core is hot enough to heat earths surface
2.earths magnetic field creates suitables temperatures on earths surface 
3.earths crust is warmed by heat from the sun
4.earths atmosphere traps hear from the sun , which makes earths temperature suitable for living things

anonymous · Answer

I think it's the last one; 4. earths atmosphere traps heat from the sun, which makes earths temperature suitable for living.