A set of letters that can be combined to form words

Which of the following might cause the inflation rate to spike up sharply? the purchasing power of the average consumer decreases due to a sluggish economy. plentiful rainfall and moderate temperatures result in good harvests of wheat and soybeans. the items in the cpi market basket change to account for changing consumer buying habits. prices on world oil markets rise steeply due to war in the middle east.

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

How do the public-safety regulations protect workers ? regulations create advertising laws