This is because plastic and other inorganic materials must be removed from the compost pile or they will pollute the soil. There's a lot of plastic in the garbage, which makes it hard to compost on a large scale.
C. a memory aid
A mnemonic is a memory aid, usually a phrase or visual, that helps you remember a fact.
I believe the answer is C, merchandise. Hope this helps!
It depends on how they stare. For example, they get excited when they see you, and move their tails, also moving their tails can mean either they are happy or scared
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