Two flat mirrors are arranged in a comer at a 90° angle. light ray strikes the first mirror at an angle (11) of 35°, what is angle r?
a) 55°
b) 65°
c) 35°
d) 45°

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Describe cytokinesis in plants and animals. in animals: in plants.