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.

claude wants to buy a car and there are a few factors that will affect the decision he makes in choosing what car he should buy. the first factor that can affect his decision regarding what car to buy can be the social and the cultural influence of the society he is living in. for example, there might be a certain car that might have a better value in the eyes of the society or in other words a better social norm regarding that car.

another factor can be personal habits. claude might need a spacious car because he might have kids or might utilize the back seat for other purposes hence a sports car (2 seated) won’t be appropriate.  

answer is d. graphite coatings.

some connecting rods have _graphite coatings_ to lubricate the cylinder wall or piston pin.