Using the law of superposition
1. all of them
2. cork and wax
3. iron, lead, and aluminum
4. none of them
Answer:
a substance that cannot be separated into simpler substances
Yes they do because cells produce food so the food turns into energy which formative a phase
Answer:
Investigation: a searching inquiry for gathering detailed facts...
Experiment: an orderly procedure carried out with the goal of verifying , refuting or establishing the valitity of a hypothesis.... .
Explanation:
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