Mary, owner of delany salsas, is curious to know whether the new packaging for her line of salsas is being noticed by supermarket consumers. to collect information, she passively watches shopper reactions as they pass by the delany salsas display. mary is collecting data through methods.

Primary , Observational

Explanation:

Primary data is the data that is collected through methods like survey, interview ,experimenting etc. in first handed form. This data is not derived from any other source.

Observational method is defined as the technique in which research is carried out through observation for knowing about object's characteristics and behavior.

According to the question, Mary is collecting primary data through watching and observing reaction of customers through observational method so that research regarding new packaging of salsa.

conformal maps greatly distort _sizes_ of continents in higher latitudes.

the answer is sizes.

answer; shipments were made easier,and trade was easier;