What is the central idea of the article Elephants Attack as Humans Turn Up the Pressure? a) Scientists are developing new ways to prevent elephants from attacking humans and ruining their crops.

b) The number of elephant attacks against humans has been rising in both Asia and Africa.

c) Researchers think that stresses created by humans are the reason behind increasing numbers of elephant attacks.

d) Elephants react differently to pressures from humans than they do to competition from other elephants.

like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.