Answer:
A.They form organ systems is the correct answer.
Explanation:
The answer is the Battle of Lexington and Concord that was
fought on April 19, 1775 in Boston. 700
British troops were ordered to apprehend the patriots but through good
intelligence, they were able to learn about and made preparations. The British won at Lexington while the
Americans were victorious at Concord.
It is true kind of because its like when your catching potato chips or your mom is throwing you some food your using your muscles to do actions just like when your out on the field playing sports or like when your running in the playground your using your muscles in your leg to run and play like you do in sports
Answer:
groups of participants differing in age at the same point in time
Explanation:
Cross-sectional design: This is a type of observational study design. In this study, the investigator calculate the exposures and the outcome in study participants at the same time.
The research involves different groups of people who have different variables of interest but consists of other characteristics, for example, educational background, socioeconomic status, and ethnicity.
