Panuto: suriing mabuti Ang mga larawan upang matukoy Ang hinahanap na salita.​

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.

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.

Technician a says most shops use a spray wash cabinet to degrease their engine blocks. technician b says some shops dip their major engine parts in a hot or cold caustic solution for deeper cleaning. who is correct?