Answer:
Im sure the answer is c
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Answer: physical
Explanation: freezing and melting are physical changes.
Answer:
Ans: 2
Explanation:
The concentration of reactants and the concentration of products are constant.
Answer:
scientists often communicate their research results in three general ways:
1) One is to publish their results in peer-reviewed journals that can be ready by other scientists.
2) Two is to present their results at national and international conferences where other scientists can listen to presentations
Explanation:
