A student is creating an electromagnet for an investigation. Which feature of the electromagnet will least influence the magnetic force? A
the material of the core
B
the brand of the battery
С
the number of wire coils
D
the che of the power source

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.