A) The elevation finder can help you find out the elevation of land for a country, place or other location. You can even figure out the land elevation below the sea or ocean. You can do this by typing in an address, name of a place, coordinates etc., into the corresponding input fields above.
I saw an experiment in a small ramshackle museum in Ecuador on the equator. There was a sink on a stand. When it was placed a metre on one side of the equator the water circled clockwise as it drained, one metre on the other side the water drained anti-clockwise and when directly over the equator the water drained, straight down, with no rotation.
In the Northern Hemisphere, ocean gyres flow clockwise. This is caused by the Coriolis effect. The correct option in regards to the question given is the first option. The Coriolis effect is mainly responsible for the gyres in the northern hemisphere to move in a clockwise direction and in the anticlockwise direction in the Southern Hemisphere. Oceans near the equator feels the minimumor no Coriolis effect.