Answer:
c.cross-sectional
Explanation:
Cross-sectional study is a kind of research which compares different population groups at one specific point in time.
Here, the researcher compares three population groups (first grade, third grade, and sixth grade of elementary school). By using this method, any differences between age groups regarding reasoning ability can be related to age differences not something that happened over time.
Sports that involve less body contact among players.
Answer: As a result of the Renaissance in Europe, information spread more easily and new knowledge and technology helped seafaring nations broaden trade, increase wealth and gain power.
Explanation:
<span>Nero was regarded as one of Rome’s worst emperors. He is
remembered for killing Christians in the arena by either feeding them to wild
animals or executing them. His rule was described as corrupt and killed many
Romans including his mother. Yet his
rule prioritized diplomacy as he established peace with the Parthian Empire and
promoted athletics and built theatres.</span>
