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The frames of reference can be used for the same motion by —————————————————————————————ERROR——————————————
Answer:
C.Al & E. Ag
Explanation:
These two are elements. Meaning tget are substances that cannot be broken down because they are pure. The others are considered molecules due to their ability to be broken down.
Answer:
Melting is an example of an endothermic change.
Explanation:
This is because the system absorbs (heat) energy from the surroundings to increase its temperature.
Answer:
Formula: H2O Formula Weight: 18.02 CAS No.: 7732-18-5 Density: 1.000 g/mL at 3.98 °C(lit.)
Explanation: