How do the earth's physical features affect people's activities?
a. choice of occupation
b. method of transportation
c. recreational activities
d. all of the above
e. none of the above

d.all of the above

Explanation:

The physical feature of the planet Earth affect people's activities in the following manner -  

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

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