The owl can see most clearly in total darkness because
1). it has squint eyes
2). it has large eyes with orbs directed forward giving it binocular sight
3). it has light bulbs in its eyes provided by nature
4). it produces infrasonic sounds
2. Why does water tank appear shallower when viewed from the top?
3. The atmosphere is heated mainly by
4. The reverse effect of X–ray emission is
6. The frequency of ultrasound wave is typically
8. Alpha particles are ___________.
9. To an observer on thearth the stars appear to twinkle. This can be described to