Chemical: can burn
physical: hard
Answer:
B. Cross-Sectional
Explanation:
A Cross-sectional study of design is a kind of design of observational study . In the cross-sectional study, an investigator measures or examines the outcome as well as the exposures in any study participants at the same time.
Cross-sectional design research includes using some different category of the people who differ in some variable of interest but they share few other characteristics, like educational background, socioeconomic status and ethnicity.
A Cross-sectional studies are mostly used by experimenters or researchers to study the developmental psychology in humans.
Thus in the context, the researcher using 50 participants to study the developmental changes in their choices to listen to music is a type of cross sectional research design.
Hence the correct option is (B).
Answer:
not entirely sure, but historical lens is the only one to really make sense here.
Answer:
Dawain: adults who have normal hearing seldom pay attention to visual cues, even though these cues are helpful
Explanation:
Adults who have normal speech perception do not consider or put much effort into visual cues. This is illustrated in our everyday lives as normal hearing usually don't bother much with visual cues since they could easily interpret and recognize sounds/language through speech recognition. Speech recognition is interpretation and comprehension of language sounds.
The answer is B. hope i helped:)