Answer:
measuring seismic wave activity
Explanation:
the earths interior is made up of a number of layers such qs the crust, mantle, outer and inner cores.
Answer:
7 - a) a small river is called a <em>pond</em>
8 - b) fresh water conservation efforts
Omaha and Sacramento is the answer
Answer:
is when it contributes towards the contamination and destruction of natural habitats and the wildlife that live in those habitats by exposing them to harmful chemicals that would otherwise not be present over the natural course of things