When searching for food, some animals such as worms burrow through sediment before it is lithined. What is this disturbance of the sediment called if it is preserved when the sediment turns into rock?

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

Amajor rite of passage for the maori men of was to receive ta moko, or facial tattoos. a. australia b. new zealand c. papua new guinea d. southeast asia

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic