The geologic cross-section below shows bedrock layers a through d. line xy is a fault

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."