The action of striking a match shows that stored chemical energy in the match can be converted into thermal energy and electromagnetic energy of
the flame in a single step.

1 True
2False

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.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?