Answer:

Explanation:
1. Convert decagrams to grams

2. Convert grams to decigrams
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D. all of the above, although I do find it hard to believe something like flour would have a melting point, I looked up my answer to double check.
Answer:
C
Explanation:
When fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air.
The separation of molecules. I wouldn't put that if i were you.