Answer:
Answers in explanation.
Explanation:
30. A (A chemical changes changes the chemical properties)
31. C (rusting is an example of a chemical change
32. B (A reaction requires energy, so some energy will be expelled)
33. B (Color change is an example of a chemical change)
34. A (The law of the conservation of mass: Mass and Energy cannot be created nor destroyed)
Answer:
the earth is different in all places
Explanation:
Your answers would be k^+1, Cl2 and F-1
Hope this helps. Kinda winged it with my research.
Answer:
Physical
Explanation:
Olive oil, vinegar, salt, and pepper are shaken together to make salad dressing. Physical or chemical change?
Physical
