-4x^2-4xy+6y^2 hope this helps
You can report me, its all good
Answer:
emissions
Explanation:
The productions and discharge of something especially gas or radiation
The study of the physical elements of the earth is the answer
Answer:
lithosphere
Explanation:
Tectonic shift is the movement of the plates that make up Earth's crust. The Earth is made up of roughly a dozen major plates and several minor plates. The Earth is in a constant state of change. Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.