Which gas is a source of natural groundwater pollution

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.

Which of the following is a downside to using a professional naming firm? question options: you'll no longer have control over your company's name. most aren't very good at coming up with effective names and logos. you will need to be cautious about the firm stealing your business idea. most are fairly expensive, charging from $5,000 to $80,000 to develop a name.

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.