Choose all that apply about the earths crust 1. thickest layer
2. thinnest layer
3. densest layer
4. least dense layer
5. home to all life
6. home to most life
6. made of hot soft rock

I will give brainliest

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.