Answer:
Numbers or variables in a problem that DOES NOT have an equals sign in it. It can be evaluated or simplified but cannot be solved.
Example: 5x+17 is an expression
Plate tectonics is the theory that the Earth’s outer shell is divided into many plates the glide over mantle. The plates act like a hard and rigid shell in contrast to the Earth’s mantle.
Assimilation- the process of becoming similar to something
Answer: Agriculture air pollution contributes to climate change in the form of greenhouse gas emissions and aerosols.
Explanation: Hope this helped! :D
