Identify the materials necessary to create an electromagnet.

metallic core and power source only

power source, metallic core, and electrical conductor

metallic core, magnet, and power source

electrical conductor and power source only

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

What is a carrier wave and how does it affect what you hear on the radio

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.