Answer:
the real tricky one question
Explanation:
Answer:
Expand
Explanation:
When you heat up a substance it expands
Answer:
Knowledge of facts
Explanation:
All of these are inherited traits: Color, Height, and Shape
but Knowledge is a learnt trait
Answer: Physical change : tearing of paper, fixing of wtaer
Chemical change: rusting of iron , electrolysis of water, Rancidification
Explanation:
Physical change is a change in which there is no rearrangement of atoms and thus no new substance is formed. There is only change in physical state of the substance.
Example: tearing of paper, fixing of wtaer
Chemical change is a change in which there is rearrangement of atoms and thus new substance is formed. There may or may not be a change in physical state.
Example: rusting of iron , electrolysis of water, Rancidification
