I believe the answer should be fossil fuels, or more specifically, coal.
Answer:
Fresh pineapple prevents gelatin from setting up because it contains a protease called bromelain that digests the links formed between collagen molecules that make the liquid turn into a gel. Canned pineapple doesn't have the same effect because heat from canning inactivates bromelain.
Explanation:
Answer:
organ system
Explanation:
I'm not sure but I think its Organ System
Answer:
what that means I really don't know
