Select the option that contains no spelling error.

AThe horrizontal movements of ocean water are refferred to as currents, while the vertical changes are called upwelling or downwelling.
BThe horizontal movements of ocean water are refered to as currents, while the vertical changes are called upwelling or downwelling.
CThe horizontal movements of ocean water are referred to as currents, while the vertical changes are called upwelling or downwelling.
DThe horrizontal movements of ocean water are referred to as currents, while the vertical changes are called upwelling or downwelling.

Correct answer: C

Explanation

‘Horizontal’ and ‘referred’ are spelt correctly only in option 3. The other options contain ‘horrizontal’, ‘refferred’ or ‘refered’.