Answer:
By freeing the slaves
Explanation:
she escaped and then went back and lead others to safety using the underground railroad.
<span>Allele frequencies do not change unless they are influenced by factors causing evolution. This is the correct answer!</span>
Answer:
C. Religious leaders developed written languages for recording religious teachings.
Explanation:
The reasons for the creation of written language in the river valley civilizations are still controversial. Although many scholars believe that this language was created to be used in commerce, facilitating commercial transactions, others claim that this language was created for religious reasons, which is the most accepted theory today. This is because the symbols used in this language are very similar to objects that this society used for religious rituals.
With that, we can conclude that religious leaders developed written languages to record religious teachings.
Answer:Of all the world's ancient calendar systems, the Maya and other Mesoamerican systems are the most complex, intricate and accurate. Calculations of the congruence of the 260-day and the 365-day Maya cycles is almost exactly equal to the actual solar year in the tropics, with only a 19-minute margin of error.
Maya astronomer-priests looked to the heavens for guidance. They used observatories, shadow-casting devices, and observations of the horizon to trace the complex motions of the sun, the stars and planets in order to observe, calculate and record this information in their chronicles, or "codices". From these observations, the Maya developed calendars to keep track of celestial movements and the passage of time. The Maya also kept detailed records of the moon, although these do not seem to constitute a formal lunar calendar
Explanation:
D. The house and the senate.
