What are four minerals that are commonly taken from ores

What is the answer for this. the correct answer only

Apossible explanation for a set of facts that can be tested by further investigation is called

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.