This is called Homeostasis
Answer:
It is well known that the three main sources of demographic and social statistics are censuses, surveys and administrative records. These three data sources are the principal means of collecting basic demographic and social statistics as part of an integrated programme of statistical data collection and compilation.
Explanation:
So 4000/750=5.3repeating so 6 because he has to move allll the gravel
Answer:
gravitational singularity
Answer:
not sure what exactly it is, but here is some info:
Explanation:
A food web shows what eats what (typically a single line from animal to animal), a food chain shows the whole ecosystem (typically with intersecting lines and a lot of organisms).
