1st attempt which of the following variables could influence the width of marine magnetic anomalies on the floor of the ocean? choose one or more: a. duration of the magnetic polarity event b. rate at which the plates are moving away from the mid-ocean ridge c. latitude at which the anomaly formed d. strength of the magnetic field e. frequency of sunspot activity

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

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.