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Answer:
1. C.) Their cell walls contain chitin
2. C.) Chloroplast
CO2 molecules can vibrate in ways that simpler nitrogen and oxygen molecules cannot, which allows CO2 molecules to capture the IR photons. Greenhouse gases and the greenhouse effect play an important role in Earth's climate.
Tooth length is influenced by natural selection
when you have healthy teeth If you lose one
tooth chances are your other tooth will be
crooked until that tooth grows back in, Your
teeth all help each other keep each other strait.
But if you are not taking care of your teeth than
your teeth will not be strong enough to grow
longer or any bigger.
