I KNOW ITS NOT D BUT I NEED HELP Which sentence best states the main idea of this passage from Roosevelt's Four Freedoms speech? A. We are in an emergency situation and must find a quick solution to the problem B. People will have to sacrifice many of their freedoms in order to fight this war. C. All obstacles must be overcome in order to ensure the safety of the United States. D. All Americans must be prepared to fight for the safety and freedom of the United States

the focus of lesson 1 is newton's first law of motion - sometimes referred to as the law of inertia. newton's first law of motion is often stated as. an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

explanation:

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.