Please, please and please answer the following questions in the subject matter "Physics" with good handwriting. Please Make Sure It Is Right..Thank you so much and God bless and happy holidays!!!

1 - The SI unit of magnetic field strength is the (a) watt (b) tesla (c) coulomb (d) newton

2. Earth is surrounded by a magnetic field. (a) Where are Earth's magnetic poles? (b) Explain how Earth's magnetic field contributes to the aurora borealis. (c) How can a hiker use Earth's magnetic field to identify directions?