The best answer among the choices is option D. New substances are being formed will best explain that this process is a chemical change. Although, it cannot be seen directly we knew that an acid and base will undergo neutralization reaction forming a salt and water. The heat given off by the reaction can be a parameter however it does not only happens for reactions. It can also happen when dissolving substances.
Answer:
They all contain switches
Weighs 0.001836 gram per cubic centimeter or 1.836 kilogram per cubic meter
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Hydrogen (H) was first, followed by helium (He).
Answer:
B
Explanation:
The gravity accelleration values are the same for both planets.
