What was the name of the large landmass that scientists believe used to exist?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.