Who was the first astronaut to step outside of the Apollo 11 spacecraft, saying the now famous words “one small step for man, one giant step for mankind” as he placed the American flag on the rocky terrain?
Buzz Aldrin
Michael Collins
Neil Armstrong
Yuri Gagarin

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.