her is this from google
"A system of temporary reference points established in the field allows users to move freely within the study area without losing the geo-referencing. It allows the user to perform the mapping of trees, deadwood, transects, repeated measurements and data verification."
Answer:
Because that's were penguins live in.
C. the Spratly island and Taiwan claimed it
Answer:
mantle convection
Explanation:
it's called mantle convection