This layer of soil is called the A horizon.
The Hadean era was before rocks were formed so I’d say b) . Hope this helps :)
Answer:
During the late 1800s in Poland and Russia, anti-Semitism took the form of violent attacks called pogroms . These attacks forced many Jews to flee to western Europe. Nonetheless, some Jews continued to survive in eastern Europe in small villages called shtetls .
Small antennas on the spacecraft can beam weak radio signals back to earth meaning it can in some way communicate
Answer:
Johannesburg has a delightfully mild climate, neither humid nor too hot. There are about six weeks of chill in mid-winter
