Which of the following statements about surface waves is true?

the strength and duration of the wind controls size and frequency.

the longer the wind blows in the same direction, the weaker the waves become.

friction between the wind and surface water decreases the size of the wave.

surface waves are caused by rushing water underneath the surface

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?

Consider a file currently consisting of 200 blocks. assume that the file control block (and the index block in the case of indexed allocation) is already in memory. calculate how many disk i/o operations are required for contiguous, linked, and indexed (single-level) allocation strategies, for each of the conditions listed below. in the contiguous-allocation case, assume that there is not room to grow at the beginning but there is room to grow at the end. also assume that the block information to be added is stored in memory.