Answer is the first option Place a metal paper clip on a table and slowly bring each electromagnet closer to the paper clip to see which can attract the paper clip from a greater distance.
I don't know why but I find your questions a bit too easy..
Some plants are able to withstand extreme weather conditions
Not a specific genetic sequence, some doctors and scientists believe it could be hereditary and others do not believe it is genetic but instead develops due to psychological and environmental factors. Look up the rat park study.
I don’t really know sorry