What is a semi periphery’s that keeps on growing

Can anyone find the answers to the lab 2: exercise 1 bathymetric charts questions for sandy harbor so that i can check for accuracy?

Food can come from sustainable or unsustainable resources. why has the united nations suggested that bugs could be a better source of food than animals like pigs or cattle?

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?