PSYCHOLOGY A researcher wants to compare math performance scores of high school juniors who are located in various urban areas. The researcher will most likely conduct the research by using which descriptive research method?
A. naturalistic observation
B. longitudinal study
C. cross-sectional study
D. case study

Match the terms with the appropriate descriptions. 1. font readers often have difficulty making it to the end of this sort of email 2. spam or chain letters never forward these 3. language, vocabulary, and tone these should be appropriate for the receiver of your message 4. permanent the style, size, and color of this should be easy to read 5. long and rambling email is this sort of written record

Solve this system of equations using the elimination method?

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii