13. 1 propose to study the relationship
between self-esteem and reading skill levels
among students at clairmont high school. at
clairmont, about 1 4 percent of the student
body are seniors, 24 percent are juniors, 30
percent are sophomores, and 32 percent are
freshmen. what kind of sampling approach
will i be most likely to use?

learn it on the intertant so you can solve

a coal burning power plant

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

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.