Which statement supports Newton’s first law of motion?
A. Planets can change the direction of their own orbital path.
B. Planets with more inertia will not be impacted by the Sun’s gravity.
C. Planets can move at a varying speed due to forces exerted in space.
D. Planets with a greater mass will orbit more quickly than smaller planets.

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction