Once again Mr. H is absent. I hope class is going well and that everyone does their critical word and fixes their CH 21-1 notes today.
REMEMBER: Tomorrow Mr. h will double check your work and you need to bring in your TRASH LAB DATA. CrashCourse covers the basic impacts of humanity on the planet.
CrashCourse does a good job covering the types of pollution too.
But it's not all bad, we can do more to fix these problems.
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