5th grade Science Lesson 5 Earth's Atmosphere
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
Many pollutants get into the air burning ______ _______.
Natural events such as grass and forest _____ fires spread smoke.
A mixture of smoke and fog known as ____ hangs over many cities like a brown cloud.
It can kill people who have _______ problems.
There are holes in the ______ layer.
These allow harmful UV ________ through.
Substances called _____ are released from products like refrigerators and aerosol cans.
What would you like to do?
Home > Flashcards > Print Preview